20088957 has 8 divisors (see below), whose sum is σ = 30611776. Its totient is φ = 11479392.

The previous prime is 20088949. The next prime is 20088983. The reversal of 20088957 is 75988002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20088957 - 2³ = 20088949 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 (20088157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478288 + ... + 478329.

It is an arithmetic number, because the mean of its divisors is an integer number (3826472).

Almost surely, 2^20088957 is an apocalyptic number.

It is an amenable number.

20088957 is a deficient number, since it is larger than the sum of its proper divisors (10522819).

20088957 is an equidigital number, since it uses as much as digits as its factorization.

20088957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956627.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 20088957 is about 4482.0706152402. The cubic root of 20088957 is about 271.8436105391.

The spelling of 20088957 in words is "twenty million, eighty-eight thousand, nine hundred fifty-seven".