20888160 has 48 divisors (see below), whose sum is σ = 65799216. Its totient is φ = 5570048.

The previous prime is 20888159. The next prime is 20888171. The reversal of 20888160 is 6188802.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 21279 + ... + 22238.

It is an arithmetic number, because the mean of its divisors is an integer number (1370817).

Almost surely, 2^20888160 is an apocalyptic number.

20888160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20888160 is an abundant number, since it is smaller than the sum of its proper divisors (44911056).

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

20888160 is a wasteful number, since it uses less digits than its factorization.

20888160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43535 (or 43527 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 20888160 is about 4570.3566600431. The cubic root of 20888160 is about 275.4017708597.

The spelling of 20888160 in words is "twenty million, eight hundred eighty-eight thousand, one hundred sixty".