204203104402 has 48 divisors (see below), whose sum is σ = 349752598272. Its totient is φ = 89279960000.

The previous prime is 204203104397. The next prime is 204203104403. The reversal of 204203104402 is 204401302402.

It is a happy number.

It is a super-2 number, since 2×204203104402² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (204203104403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559527 + ... + 849397.

It is an arithmetic number, because the mean of its divisors is an integer number (7286512464).

Almost surely, 2^204203104402 is an apocalyptic number.

204203104402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204203104402 is a deficient number, since it is larger than the sum of its proper divisors (145549493870).

204203104402 is a wasteful number, since it uses less digits than its factorization.

204203104402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290007 (or 289996 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 204203104402 its reverse (204401302402), we get a palindrome (408604406804).

The spelling of 204203104402 in words is "two hundred four billion, two hundred three million, one hundred four thousand, four hundred two".