20876100 has 72 divisors (see below), whose sum is σ = 69037248. Its totient is φ = 4771200.

The previous prime is 20876087. The next prime is 20876123. The reversal of 20876100 is 167802.

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, 2871 + ... + 7070.

Almost surely, 2^20876100 is an apocalyptic number.

20876100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20876100 is an abundant number, since it is smaller than the sum of its proper divisors (48161148).

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

20876100 is a wasteful number, since it uses less digits than its factorization.

20876100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9958 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 20876100 is about 4569.0370976826. The cubic root of 20876100 is about 275.3487586147.

The spelling of 20876100 in words is "twenty million, eight hundred seventy-six thousand, one hundred".