204202420002 has 24 divisors (see below), whose sum is σ = 505644087936. Its totient is φ = 58343548536.

The previous prime is 204202419979. The next prime is 204202420091. The reversal of 204202420002 is 200024202402.

204202420002 is a `hidden beast` number, since 2 + 0 + 420 + 242 + 0 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 810326938 + ... + 810327189.

It is an arithmetic number, because the mean of its divisors is an integer number (21068503664).

Almost surely, 2^204202420002 is an apocalyptic number.

204202420002 is an abundant number, since it is smaller than the sum of its proper divisors (301441667934).

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

204202420002 is a wasteful number, since it uses less digits than its factorization.

204202420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620654142 (or 1620654139 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 204202420002 its reverse (200024202402), we get a palindrome (404226622404).

The spelling of 204202420002 in words is "two hundred four billion, two hundred two million, four hundred twenty thousand, two".