32220520032 has 24 divisors (see below), whose sum is σ = 84578865336. Its totient is φ = 10740173312.

The previous prime is 32220520001. The next prime is 32220520097. The reversal of 32220520032 is 23002502223.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×32220520032² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 32220519990 and 32220520008.

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, 167815113 + ... + 167815304.

It is an arithmetic number, because the mean of its divisors is an integer number (3524119389).

Almost surely, 2^32220520032 is an apocalyptic number.

32220520032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32220520032 is an abundant number, since it is smaller than the sum of its proper divisors (52358345304).

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

32220520032 is a wasteful number, since it uses less digits than its factorization.

32220520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335630430 (or 335630422 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The spelling of 32220520032 in words is "thirty-two billion, two hundred twenty million, five hundred twenty thousand, thirty-two".