20020000000008 has 128 divisors (see below), whose sum is σ = 53069774192640. Its totient is φ = 6271824000000.

The previous prime is 20019999999977. The next prime is 20020000000043. The reversal of 20020000000008 is 80000000002002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20019999999930 and 20020000000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916194283 + ... + 916216133.

It is an arithmetic number, because the mean of its divisors is an integer number (414607610880).

Almost surely, 2^{20020000000008} is an apocalyptic number.

It is an amenable number.

20020000000008 is an abundant number, since it is smaller than the sum of its proper divisors (33049774192632).

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

20020000000008 is a wasteful number, since it uses less digits than its factorization.

20020000000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24979 (or 24975 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The spelling of 20020000000008 in words is "twenty trillion, twenty billion, eight", and thus it is an aban number and an uban number.