20010471008 has 24 divisors (see below), whose sum is σ = 42977035080. Its totient is φ = 9095668480.

The previous prime is 20010471007. The next prime is 20010471073. The reversal of 20010471008 is 80017401002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010471001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28423613 + ... + 28424316.

It is an arithmetic number, because the mean of its divisors is an integer number (1790709795).

Almost surely, 2^20010471008 is an apocalyptic number.

It is an amenable number.

20010471008 is an abundant number, since it is smaller than the sum of its proper divisors (22966564072).

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

20010471008 is a wasteful number, since it uses less digits than its factorization.

20010471008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56847950 (or 56847942 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The spelling of 20010471008 in words is "twenty billion, ten million, four hundred seventy-one thousand, eight".