20874134124 has 36 divisors (see below), whose sum is σ = 52786153056. Its totient is φ = 6955278048.

The previous prime is 20874134117. The next prime is 20874134201. The reversal of 20874134124 is 42143147802.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22459 + ... + 205554.

Almost surely, 2^20874134124 is an apocalyptic number.

It is an amenable number.

20874134124 is an abundant number, since it is smaller than the sum of its proper divisors (31912018932).

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

20874134124 is a wasteful number, since it uses less digits than its factorization.

20874134124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230566 (or 230561 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 20874134124 in words is "twenty billion, eight hundred seventy-four million, one hundred thirty-four thousand, one hundred twenty-four".