21325852310 has 64 divisors (see below), whose sum is σ = 46081419264. Its totient is φ = 6947424000.

The previous prime is 21325852309. The next prime is 21325852337. The reversal of 21325852310 is 1325852312.

It is a super-2 number, since 2×21325852310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199250 + ... + 286970.

It is an arithmetic number, because the mean of its divisors is an integer number (720022176).

Almost surely, 2^21325852310 is an apocalyptic number.

21325852310 is an abundant number, since it is smaller than the sum of its proper divisors (24755566954).

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

21325852310 is a wasteful number, since it uses less digits than its factorization.

21325852310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87909.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 21325852310 in words is "twenty-one billion, three hundred twenty-five million, eight hundred fifty-two thousand, three hundred ten".