202040220404 has 24 divisors (see below), whose sum is σ = 390047011200. Its totient is φ = 90804591680.

The previous prime is 202040220377. The next prime is 202040220427. The reversal of 202040220404 is 404022040202.

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, 25792844 + ... + 25800675.

It is an arithmetic number, because the mean of its divisors is an integer number (16251958800).

Almost surely, 2^202040220404 is an apocalyptic number.

It is an amenable number.

202040220404 is a deficient number, since it is larger than the sum of its proper divisors (188006790796).

202040220404 is a wasteful number, since it uses less digits than its factorization.

202040220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51593623 (or 51593621 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 202040220404 its reverse (404022040202), we get a palindrome (606062260606).

The spelling of 202040220404 in words is "two hundred two billion, forty million, two hundred twenty thousand, four hundred four".