20752960 has 28 divisors (see below), whose sum is σ = 49418748. Its totient is φ = 8301056.

The previous prime is 20752957. The next prime is 20752973. The reversal of 20752960 is 6925702.

It can be written as a sum of positive squares in 2 ways, for example, as 11943936 + 8809024 = 3456^2 + 2968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32107 + ... + 32746.

Almost surely, 2^20752960 is an apocalyptic number.

20752960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20752960 is an abundant number, since it is smaller than the sum of its proper divisors (28665788).

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

20752960 is an equidigital number, since it uses as much as digits as its factorization.

20752960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64870 (or 64860 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20752960 is about 4555.5416801957. The cubic root of 20752960 is about 274.8062988569.

It can be divided in two parts, 20752 and 960, that added together give a palindrome (21712).

The spelling of 20752960 in words is "twenty million, seven hundred fifty-two thousand, nine hundred sixty".