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220230862040 = 23574183231131
BaseRepresentation
bin1100110100011011001…
…0000100010011011000
3210001110021012221221002
43031012302010103120
512102013100041130
6245101143404132
721624345304040
oct3150662042330
9701407187832
10220230862040
11854436422a2
1236822a53648
13179c9798567
14a932d00720
155ade5e3b45
hex3346c844d8

220230862040 has 128 divisors (see below), whose sum is σ = 587112261120. Its totient is φ = 72778214400.

The previous prime is 220230862039. The next prime is 220230862097. The reversal of 220230862040 is 40268032022.

220230862040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220230861994 and 220230862012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837275 + ... + 1068405.

It is an arithmetic number, because the mean of its divisors is an integer number (4586814540).

Almost surely, 2220230862040 is an apocalyptic number.

220230862040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220230862040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293556130560).

220230862040 is an abundant number, since it is smaller than the sum of its proper divisors (366881399080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220230862040 is a wasteful number, since it uses less digits than its factorization.

220230862040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231273 (or 231269 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 220230862040 its reverse (40268032022), we get a palindrome (260498894062).

The spelling of 220230862040 in words is "two hundred twenty billion, two hundred thirty million, eight hundred sixty-two thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 41 56 70 82 83 140 164 166 205 280 287 328 332 410 415 574 581 664 820 830 1148 1162 1435 1640 1660 2296 2324 2870 2905 3320 3403 4648 5740 5810 6806 11480 11620 13612 17015 23240 23821 27224 34030 47642 68060 95284 119105 136120 190568 231131 238210 462262 476420 924524 952840 1155655 1617917 1849048 2311310 3235834 4622620 6471668 8089585 9245240 9476371 12943336 16179170 18952742 19183873 32358340 37905484 38367746 47381855 64716680 66334597 75810968 76735492 94763710 95919365 132669194 134287111 153470984 189527420 191838730 265338388 268574222 331672985 379054840 383677460 530676776 537148444 663345970 671435555 767354920 786538793 1074296888 1326691940 1342871110 1573077586 2653383880 2685742220 3146155172 3932693965 5371484440 5505771551 6292310344 7865387930 11011543102 15730775860 22023086204 27528857755 31461551720 44046172408 55057715510 110115431020 220230862040