20371530243264 has 28 divisors (see below), whose sum is σ = 53899673769144. Its totient is φ = 6790510081024.

The previous prime is 20371530243257. The next prime is 20371530243299. The reversal of 20371530243264 is 46234203517302.

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, 53050859817 + ... + 53050860200.

It is an arithmetic number, because the mean of its divisors is an integer number (1924988348898).

Almost surely, 2^{20371530243264} is an apocalyptic number.

20371530243264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20371530243264 is an abundant number, since it is smaller than the sum of its proper divisors (33528143525880).

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

20371530243264 is a wasteful number, since it uses less digits than its factorization.

20371530243264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106101720032 (or 106101720022 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 20371530243264 in words is "twenty trillion, three hundred seventy-one billion, five hundred thirty million, two hundred forty-three thousand, two hundred sixty-four".