20048008 has 32 divisors (see below), whose sum is σ = 38604960. Its totient is φ = 9757440.

The previous prime is 20047987. The next prime is 20048009. The reversal of 20048008 is 80084002.

It is a self number, because there is not a number n which added to its sum of digits gives 20048008.

It is not an unprimeable number, because it can be changed into a prime (20048009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60403 + ... + 60733.

It is an arithmetic number, because the mean of its divisors is an integer number (1206405).

Almost surely, 2^20048008 is an apocalyptic number.

It is an amenable number.

20048008 is a deficient number, since it is larger than the sum of its proper divisors (18556952).

20048008 is a wasteful number, since it uses less digits than its factorization.

20048008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 20048008 is about 4477.5001954215. The cubic root of 20048008 is about 271.6587777118.

The spelling of 20048008 in words is "twenty million, forty-eight thousand, eight".