10555502320 has 80 divisors (see below), whose sum is σ = 26789178240. Its totient is φ = 3835987200.

The previous prime is 10555502311. The next prime is 10555502323. The reversal of 10555502320 is 2320555501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10555502320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555502323) 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, 2083951 + ... + 2089009.

It is an arithmetic number, because the mean of its divisors is an integer number (334864728).

Almost surely, 2^10555502320 is an apocalyptic number.

10555502320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10555502320 is an abundant number, since it is smaller than the sum of its proper divisors (16233675920).

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

10555502320 is a wasteful number, since it uses less digits than its factorization.

10555502320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454 (or 7448 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 10555502320 in words is "ten billion, five hundred fifty-five million, five hundred two thousand, three hundred twenty".