204023111202 has 40 divisors (see below), whose sum is σ = 457258519872. Its totient is φ = 67993479000.

The previous prime is 204023111183. The next prime is 204023111203. The reversal of 204023111202 is 202111320402.

It is a happy number.

204023111202 is a `hidden beast` number, since 20 + 402 + 31 + 11 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (204023111203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 659827 + ... + 918377.

Almost surely, 2^204023111202 is an apocalyptic number.

204023111202 is an abundant number, since it is smaller than the sum of its proper divisors (253235408670).

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

204023111202 is a wasteful number, since it uses less digits than its factorization.

204023111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263436 (or 263427 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 204023111202 its reverse (202111320402), we get a palindrome (406134431604).

The spelling of 204023111202 in words is "two hundred four billion, twenty-three million, one hundred eleven thousand, two hundred two".