20007488 has 14 divisors (see below), whose sum is σ = 39702486. Its totient is φ = 10003712.

The previous prime is 20007479. The next prime is 20007503. The reversal of 20007488 is 88470002.

It can be written as a sum of positive squares in only one way, i.e., 19784704 + 222784 = 4448^2 + 472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20007488.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156245 + ... + 156372.

Almost surely, 2^20007488 is an apocalyptic number.

It is an amenable number.

20007488 is a deficient number, since it is larger than the sum of its proper divisors (19694998).

20007488 is an equidigital number, since it uses as much as digits as its factorization.

20007488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312629 (or 312619 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 20007488 is about 4472.9730605046. The cubic root of 20007488 is about 271.4756333645.

The spelling of 20007488 in words is "twenty million, seven thousand, four hundred eighty-eight".