20086157 has 12 divisors (see below), whose sum is σ = 24858720. Its totient is φ = 15891408.

The previous prime is 20086123. The next prime is 20086159. The reversal of 20086157 is 75168002.

It is not a de Polignac number, because 20086157 - 2⁶ = 20086093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7307 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (2071560).

Almost surely, 2^20086157 is an apocalyptic number.

It is an amenable number.

20086157 is a deficient number, since it is larger than the sum of its proper divisors (4772563).

20086157 is a wasteful number, since it uses less digits than its factorization.

20086157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17012 (or 16999 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 20086157 is about 4481.7582487234. The cubic root of 20086157 is about 271.8309800928.

The spelling of 20086157 in words is "twenty million, eighty-six thousand, one hundred fifty-seven".