20927160 has 96 divisors (see below), whose sum is σ = 70565040. Its totient is φ = 5577984.

The previous prime is 20927147. The next prime is 20927233. The reversal of 20927160 is 6172902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8644 + ... + 10796.

Almost surely, 2^20927160 is an apocalyptic number.

20927160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20927160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35282520).

20927160 is an abundant number, since it is smaller than the sum of its proper divisors (49637880).

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

20927160 is a wasteful number, since it uses less digits than its factorization.

20927160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 20927160 is about 4574.6212958014. The cubic root of 20927160 is about 275.5730639336.

The spelling of 20927160 in words is "twenty million, nine hundred twenty-seven thousand, one hundred sixty".