20157676 has 24 divisors (see below), whose sum is σ = 43981056. Its totient is φ = 7853520.

The previous prime is 20157659. The next prime is 20157677. The reversal of 20157676 is 67675102.

It is not an unprimeable number, because it can be changed into a prime (20157677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32416 + ... + 33031.

It is an arithmetic number, because the mean of its divisors is an integer number (1832544).

Almost surely, 2^20157676 is an apocalyptic number.

It is an amenable number.

20157676 is an abundant number, since it is smaller than the sum of its proper divisors (23823380).

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

20157676 is a wasteful number, since it uses less digits than its factorization.

20157676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65469 (or 65467 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 20157676 is about 4489.7300587006. The cubic root of 20157676 is about 272.1532260947.

The spelling of 20157676 in words is "twenty million, one hundred fifty-seven thousand, six hundred seventy-six".