20527872 has 36 divisors (see below), whose sum is σ = 54636120. Its totient is φ = 6842368.

The previous prime is 20527867. The next prime is 20527877. The reversal of 20527872 is 27872502.

It is an interprime number because it is at equal distance from previous prime (20527867) and next prime (20527877).

It is not an unprimeable number, because it can be changed into a prime (20527877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12597 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (1517670).

Almost surely, 2^20527872 is an apocalyptic number.

It is an amenable number.

20527872 is an abundant number, since it is smaller than the sum of its proper divisors (34108248).

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

20527872 is an equidigital number, since it uses as much as digits as its factorization.

20527872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26748 (or 26734 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 20527872 is about 4530.7694710722. The cubic root of 20527872 is about 273.8091625846.

The spelling of 20527872 in words is "twenty million, five hundred twenty-seven thousand, eight hundred seventy-two".