20857676601 has 16 divisors (see below), whose sum is σ = 29451643200. Its totient is φ = 13084720128.

The previous prime is 20857676561. The next prime is 20857676611. The reversal of 20857676601 is 10667675802.

It is not a de Polignac number, because 20857676601 - 2⁶ = 20857676537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20857676611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259345 + ... + 330113.

It is an arithmetic number, because the mean of its divisors is an integer number (1840727700).

Almost surely, 2^20857676601 is an apocalyptic number.

It is an amenable number.

20857676601 is a deficient number, since it is larger than the sum of its proper divisors (8593966599).

20857676601 is a wasteful number, since it uses less digits than its factorization.

20857676601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76568.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 20857676601 in words is "twenty billion, eight hundred fifty-seven million, six hundred seventy-six thousand, six hundred one".