204402002022 has 12 divisors (see below), whose sum is σ = 442871004420. Its totient is φ = 68134000668.

The previous prime is 204402001997. The next prime is 204402002023. The reversal of 204402002022 is 220200204402.

204402002022 is a `hidden beast` number, since 2 + 0 + 440 + 20 + 0 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11355666779 = 204402002022 / (2 + 0 + 4 + 4 + 0 + 2 + 0 + 0 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 204402001986 and 204402002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204402002023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5677833372 + ... + 5677833407.

It is an arithmetic number, because the mean of its divisors is an integer number (36905917035).

Almost surely, 2^204402002022 is an apocalyptic number.

204402002022 is an abundant number, since it is smaller than the sum of its proper divisors (238469002398).

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

204402002022 is a wasteful number, since it uses less digits than its factorization.

204402002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11355666787 (or 11355666784 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 204402002022 its reverse (220200204402), we get a palindrome (424602206424).

The spelling of 204402002022 in words is "two hundred four billion, four hundred two million, two thousand, twenty-two".