205022212404 has 96 divisors (see below), whose sum is σ = 501378662400. Its totient is φ = 65141290368.

The previous prime is 205022212393. The next prime is 205022212411. The reversal of 205022212404 is 404212220502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8451837 + ... + 8476059.

It is an arithmetic number, because the mean of its divisors is an integer number (5222694400).

Almost surely, 2^205022212404 is an apocalyptic number.

It is an amenable number.

205022212404 is an abundant number, since it is smaller than the sum of its proper divisors (296356449996).

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

205022212404 is a wasteful number, since it uses less digits than its factorization.

205022212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24669 (or 24667 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 205022212404 its reverse (404212220502), we get a palindrome (609234432906).

The spelling of 205022212404 in words is "two hundred five billion, twenty-two million, two hundred twelve thousand, four hundred four".