20331526312 has 32 divisors (see below), whose sum is σ = 41125660200. Its totient is φ = 9387249664.

The previous prime is 20331526309. The next prime is 20331526337. The reversal of 20331526312 is 21362513302.

It can be written as a sum of positive squares in 4 ways, for example, as 20253274596 + 78251716 = 142314^2 + 8846^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403137 + ... + 1417552.

Almost surely, 2^20331526312 is an apocalyptic number.

It is an amenable number.

20331526312 is an abundant number, since it is smaller than the sum of its proper divisors (20794133888).

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

20331526312 is a wasteful number, since it uses less digits than its factorization.

20331526312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820765 (or 2820761 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 20331526312 in words is "twenty billion, three hundred thirty-one million, five hundred twenty-six thousand, three hundred twelve".