20587882074 has 32 divisors (see below), whose sum is σ = 41965378560. Its totient is φ = 6731883312.

The previous prime is 20587882067. The next prime is 20587882093. The reversal of 20587882074 is 47028878502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11064 + ... + 203219.

It is an arithmetic number, because the mean of its divisors is an integer number (1311418080).

Almost surely, 2^20587882074 is an apocalyptic number.

20587882074 is an abundant number, since it is smaller than the sum of its proper divisors (21377496486).

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

20587882074 is a wasteful number, since it uses less digits than its factorization.

20587882074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214594.

The product of its (nonzero) digits is 2007040, while the sum is 51.

The spelling of 20587882074 in words is "twenty billion, five hundred eighty-seven million, eight hundred eighty-two thousand, seventy-four".