204122052 has 24 divisors (see below), whose sum is σ = 529205600. Its totient is φ = 68040648.

The previous prime is 204122021. The next prime is 204122057. The reversal of 204122052 is 250221402.

It is a super-2 number, since 2×204122052² = 83331624225381408, which contains 22 as substring.

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 (204122057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944902 + ... + 945117.

Almost surely, 2^204122052 is an apocalyptic number.

It is an amenable number.

204122052 is an abundant number, since it is smaller than the sum of its proper divisors (325083548).

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

204122052 is a wasteful number, since it uses less digits than its factorization.

204122052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890032 (or 1890024 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 204122052 is about 14287.1288928182. The cubic root of 204122052 is about 588.7939088515.

Adding to 204122052 its reverse (250221402), we get a palindrome (454343454).

The spelling of 204122052 in words is "two hundred four million, one hundred twenty-two thousand, fifty-two".