202011312404 has 24 divisors (see below), whose sum is σ = 389476364256. Its totient is φ = 90914180000.

The previous prime is 202011312389. The next prime is 202011312427. The reversal of 202011312404 is 404213110202.

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, 22724102 + ... + 22732989.

It is an arithmetic number, because the mean of its divisors is an integer number (16228181844).

Almost surely, 2^202011312404 is an apocalyptic number.

It is an amenable number.

202011312404 is a deficient number, since it is larger than the sum of its proper divisors (187465051852).

202011312404 is a wasteful number, since it uses less digits than its factorization.

202011312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45457207 (or 45457205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202011312404 its reverse (404213110202), we get a palindrome (606224422606).

It can be divided in two parts, 202011 and 312404, that added together give a palindrome (514415).

The spelling of 202011312404 in words is "two hundred two billion, eleven million, three hundred twelve thousand, four hundred four".