20010202008 has 32 divisors (see below), whose sum is σ = 50129971200. Its totient is φ = 6656138528.

The previous prime is 20010201989. The next prime is 20010202033. The reversal of 20010202008 is 80020201002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 858816 + ... + 881807.

It is an arithmetic number, because the mean of its divisors is an integer number (1566561600).

Almost surely, 2^20010202008 is an apocalyptic number.

It is an amenable number.

20010202008 is an abundant number, since it is smaller than the sum of its proper divisors (30119769192).

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

20010202008 is a wasteful number, since it uses less digits than its factorization.

20010202008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741111 (or 1741107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The spelling of 20010202008 in words is "twenty billion, ten million, two hundred two thousand, eight".