204120403111332 has 18 divisors (see below), whose sum is σ = 515971018975958. Its totient is φ = 68040134370432.

The previous prime is 204120403111307. The next prime is 204120403111399. The reversal of 204120403111332 is 233111304021402.

204120403111332 is a `hidden beast` number, since 2 + 0 + 4 + 12 + 0 + 4 + 0 + 311 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 169574150820096 + 34546252291236 = 13022064^2 + 5877606^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 204120403111296 and 204120403111305.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2835005598733 + ... + 2835005598804.

Almost surely, 2^{204120403111332} is an apocalyptic number.

It is an amenable number.

204120403111332 is an abundant number, since it is smaller than the sum of its proper divisors (311850615864626).

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

204120403111332 is a wasteful number, since it uses less digits than its factorization.

204120403111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670011197547 (or 5670011197542 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 204120403111332 its reverse (233111304021402), we get a palindrome (437231707132734).

The spelling of 204120403111332 in words is "two hundred four trillion, one hundred twenty billion, four hundred three million, one hundred eleven thousand, three hundred thirty-two".