202421204 has 24 divisors (see below), whose sum is σ = 366333408. Its totient is φ = 97812000.

The previous prime is 202421173. The next prime is 202421221. The reversal of 202421204 is 402124202.

It is a happy number.

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, 7079 + ... + 21329.

It is an arithmetic number, because the mean of its divisors is an integer number (15263892).

Almost surely, 2^202421204 is an apocalyptic number.

It is an amenable number.

202421204 is a deficient number, since it is larger than the sum of its proper divisors (163912204).

202421204 is a wasteful number, since it uses less digits than its factorization.

202421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14375 (or 14373 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 202421204 is about 14227.4805921498. The cubic root of 202421204 is about 587.1539694024.

Adding to 202421204 its reverse (402124202), we get a palindrome (604545406).

The spelling of 202421204 in words is "two hundred two million, four hundred twenty-one thousand, two hundred four".