20087554674 has 16 divisors (see below), whose sum is σ = 43827392160. Its totient is φ = 6087137760.

The previous prime is 20087554657. The next prime is 20087554681. The reversal of 20087554674 is 47645578002.

It is a Curzon 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, 152178379 + ... + 152178510.

It is an arithmetic number, because the mean of its divisors is an integer number (2739212010).

Almost surely, 2^20087554674 is an apocalyptic number.

20087554674 is an abundant number, since it is smaller than the sum of its proper divisors (23739837486).

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

20087554674 is a wasteful number, since it uses less digits than its factorization.

20087554674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304356905.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 20087554674 in words is "twenty billion, eighty-seven million, five hundred fifty-four thousand, six hundred seventy-four".