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20301321331032 = 2337831455918053
BaseRepresentation
bin1001001110110110001010…
…00010111110000101011000
32122212210020222201002211020
410213123011002332011120
510130104101230043112
6111102144232002440
74163502445046310
oct447330502760530
978783228632736
1020301321331032
116517818700955
12233a647530420
13b43538aa8811
14502836a74440
1525313d54a48c
hex1276c50be158

20301321331032 has 64 divisors (see below), whose sum is σ = 58702615937280. Its totient is φ = 5730493452672.

The previous prime is 20301321331019. The next prime is 20301321331033. The reversal of 20301321331032 is 23013312310302.

It is a super-2 number, since 2×203013213310322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20301321330993 and 20301321331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301321331033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727945083 + ... + 727972970.

It is an arithmetic number, because the mean of its divisors is an integer number (917228374020).

Almost surely, 220301321331032 is an apocalyptic number.

It is an amenable number.

20301321331032 is an abundant number, since it is smaller than the sum of its proper divisors (38401294606248).

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

20301321331032 is a wasteful number, since it uses less digits than its factorization.

20301321331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455918152 (or 1455918148 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20301321331032 its reverse (23013312310302), we get a palindrome (43314633641334).

The spelling of 20301321331032 in words is "twenty trillion, three hundred one billion, three hundred twenty-one million, three hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 83 84 166 168 249 332 498 581 664 996 1162 1743 1992 2324 3486 4648 6972 13944 1455918053 2911836106 4367754159 5823672212 8735508318 10191426371 11647344424 17471016636 20382852742 30574279113 34942033272 40765705484 61148558226 81531410968 120841198399 122297116452 241682396798 244594232904 362523595197 483364793596 725047190394 845888388793 966729587192 1450094380788 1691776777586 2537665166379 2900188761576 3383553555172 5075330332758 6767107110344 10150660665516 20301321331032