20534610344 has 32 divisors (see below), whose sum is σ = 39064161600. Its totient is φ = 10117645440.

The previous prime is 20534610329. The next prime is 20534610367. The reversal of 20534610344 is 44301643502.

It is a self number, because there is not a number n which added to its sum of digits gives 20534610344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296827 + ... + 1312565.

It is an arithmetic number, because the mean of its divisors is an integer number (1220755050).

Almost surely, 2^20534610344 is an apocalyptic number.

It is an amenable number.

20534610344 is a deficient number, since it is larger than the sum of its proper divisors (18529551256).

20534610344 is a wasteful number, since it uses less digits than its factorization.

20534610344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113 (or 18109 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 20534610344 in words is "twenty billion, five hundred thirty-four million, six hundred ten thousand, three hundred forty-four".