20020102002 has 24 divisors (see below), whose sum is σ = 44776143360. Its totient is φ = 6458097240.

The previous prime is 20020101953. The next prime is 20020102019.

20020102002 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17938602 + ... + 17939717.

It is an arithmetic number, because the mean of its divisors is an integer number (1865672640).

Almost surely, 2^20020102002 is an apocalyptic number.

20020102002 is an abundant number, since it is smaller than the sum of its proper divisors (24756041358).

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

20020102002 is a wasteful number, since it uses less digits than its factorization.

20020102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35878358 (or 35878355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The spelling of 20020102002 in words is "twenty billion, twenty million, one hundred two thousand, two".