20081550858876 has 72 divisors (see below), whose sum is σ = 54738659559584. Its totient is φ = 6170776214400.

The previous prime is 20081550858799. The next prime is 20081550858881. The reversal of 20081550858876 is 67885805518002.

20081550858876 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 1 + 5 + 508 + 58 + 8 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27987400 + ... + 28695951.

Almost surely, 2^{20081550858876} is an apocalyptic number.

20081550858876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20081550858876 is an abundant number, since it is smaller than the sum of its proper divisors (34657108700708).

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

20081550858876 is a wasteful number, since it uses less digits than its factorization.

20081550858876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56684131 (or 56684126 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 63.

The spelling of 20081550858876 in words is "twenty trillion, eighty-one billion, five hundred fifty million, eight hundred fifty-eight thousand, eight hundred seventy-six".