20002496 has 28 divisors (see below), whose sum is σ = 40770048. Its totient is φ = 9729792.

The previous prime is 20002487. The next prime is 20002529. The reversal of 20002496 is 69420002.

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, 1856 + ... + 6591.

Almost surely, 2^20002496 is an apocalyptic number.

It is an amenable number.

20002496 is an abundant number, since it is smaller than the sum of its proper divisors (20767552).

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

20002496 is an equidigital number, since it uses as much as digits as its factorization.

20002496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496 (or 8486 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20002496 is about 4472.4150075770. The cubic root of 20002496 is about 271.4530531671.

Adding to 20002496 its reverse (69420002), we get a palindrome (89422498).

The spelling of 20002496 in words is "twenty million, two thousand, four hundred ninety-six".