204820461372 has 24 divisors (see below), whose sum is σ = 483963961600. Its totient is φ = 67409265456.

The previous prime is 204820461319. The next prime is 204820461383. The reversal of 204820461372 is 273164028402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204820461372.

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, 108026722 + ... + 108028617.

Almost surely, 2^204820461372 is an apocalyptic number.

It is an amenable number.

204820461372 is an abundant number, since it is smaller than the sum of its proper divisors (279143500228).

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

204820461372 is a wasteful number, since it uses less digits than its factorization.

204820461372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216055425 (or 216055423 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 204820461372 its reverse (273164028402), we get a palindrome (477984489774).

The spelling of 204820461372 in words is "two hundred four billion, eight hundred twenty million, four hundred sixty-one thousand, three hundred seventy-two".