100020204 has 24 divisors (see below), whose sum is σ = 259311920. Its totient is φ = 33340032.

The previous prime is 100020191. The next prime is 100020233. The reversal of 100020204 is 402020001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462949 + ... + 463164.

Almost surely, 2^100020204 is an apocalyptic number.

It is an amenable number.

100020204 is an abundant number, since it is smaller than the sum of its proper divisors (159291716).

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

100020204 is a wasteful number, since it uses less digits than its factorization.

100020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926126 (or 926118 counting only the distinct ones).

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

The square root of 100020204 is about 10001.0101489800. The cubic root of 100020204 is about 464.1901408099.

Adding to 100020204 its reverse (402020001), we get a palindrome (502040205).

The spelling of 100020204 in words is "one hundred million, twenty thousand, two hundred four".