220121350453232 has 20 divisors (see below), whose sum is σ = 426552502560720. Its totient is φ = 110043285276288.

The previous prime is 220121350453229. The next prime is 220121350453247. The reversal of 220121350453232 is 232354053121022.

It is a super-2 number, since 2×220121350453232² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220121350453192 and 220121350453201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086767468 + ... + 1086969995.

It is an arithmetic number, because the mean of its divisors is an integer number (21327625128036).

Almost surely, 2^{220121350453232} is an apocalyptic number.

It is an amenable number.

220121350453232 is a deficient number, since it is larger than the sum of its proper divisors (206431152107488).

220121350453232 is a wasteful number, since it uses less digits than its factorization.

220121350453232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173743800 (or 2173743794 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 220121350453232 in words is "two hundred twenty trillion, one hundred twenty-one billion, three hundred fifty million, four hundred fifty-three thousand, two hundred thirty-two".