Search a number
-
+
20212220110032 = 243346787546551
BaseRepresentation
bin1001001100010000001100…
…01100110010010011010000
32122120021021101001002201000
410212020012030302103100
510122124111322010112
6110553210555342000
74154166441134556
oct446100614622320
978507241032630
1020212220110032
116492a55358825
12232531b751900
13b38009243242
144dc3c3295bd6
15250b760587dc
hex1262063324d0

20212220110032 has 40 divisors (see below), whose sum is σ = 58016557724480. Its totient is φ = 6737406703200.

The previous prime is 20212220109973. The next prime is 20212220110039. The reversal of 20212220110032 is 23001102221202.

It is a super-3 number, since 3×202122201100323 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20212220109987 and 20212220110014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212220110039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23393772844 + ... + 23393773707.

It is an arithmetic number, because the mean of its divisors is an integer number (1450413943112).

Almost surely, 220212220110032 is an apocalyptic number.

It is an amenable number.

20212220110032 is an abundant number, since it is smaller than the sum of its proper divisors (37804337614448).

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

20212220110032 is a wasteful number, since it uses less digits than its factorization.

20212220110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46787546568 (or 46787546556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20212220110032 its reverse (23001102221202), we get a palindrome (43213322331234).

The spelling of 20212220110032 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, one hundred ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 46787546551 93575093102 140362639653 187150186204 280725279306 374300372408 421087918959 561450558612 748600744816 842175837918 1122901117224 1263263756877 1684351675836 2245802234448 2526527513754 3368703351672 5053055027508 6737406703344 10106110055016 20212220110032