20488960 has 36 divisors (see below), whose sum is σ = 49080528. Its totient is φ = 8195072.

The previous prime is 20488943. The next prime is 20488997. The reversal of 20488960 is 6988402.

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, 6724 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (1363348).

Almost surely, 2^20488960 is an apocalyptic number.

20488960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20488960 is an abundant number, since it is smaller than the sum of its proper divisors (28591568).

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

20488960 is an equidigital number, since it uses as much as digits as its factorization.

20488960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16028 (or 16014 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 20488960 is about 4526.4732408355. The cubic root of 20488960 is about 273.6360450898.

The spelling of 20488960 in words is "twenty million, four hundred eighty-eight thousand, nine hundred sixty".