20368029534 has 16 divisors (see below), whose sum is σ = 42140751120. Its totient is φ = 6555227840.

The previous prime is 20368029529. The next prime is 20368029589. The reversal of 20368029534 is 43592086302.

It is a congruent number.

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, 58528647 + ... + 58528994.

It is an arithmetic number, because the mean of its divisors is an integer number (2633796945).

Almost surely, 2^20368029534 is an apocalyptic number.

20368029534 is an abundant number, since it is smaller than the sum of its proper divisors (21772721586).

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

20368029534 is a wasteful number, since it uses less digits than its factorization.

20368029534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117057675.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 20368029534 in words is "twenty billion, three hundred sixty-eight million, twenty-nine thousand, five hundred thirty-four".