210002020100 has 72 divisors (see below), whose sum is σ = 483140431200. Its totient is φ = 79007097600.

The previous prime is 210002020093. The next prime is 210002020127. The reversal of 210002020100 is 1020200012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133481 + ... + 661680.

Almost surely, 2^210002020100 is an apocalyptic number.

210002020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002020100 is an abundant number, since it is smaller than the sum of its proper divisors (273138411100).

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

210002020100 is a wasteful number, since it uses less digits than its factorization.

210002020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795333 (or 795326 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210002020100 its reverse (1020200012), we get a palindrome (211022220112).

The spelling of 210002020100 in words is "two hundred ten billion, two million, twenty thousand, one hundred".