204001022 has 16 divisors (see below), whose sum is σ = 317323440. Its totient is φ = 98243712.

The previous prime is 204001013. The next prime is 204001067. The reversal of 204001022 is 220100402.

It is a junction number, because it is equal to n+sod(n) for n = 204000994 and 204001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21053 + ... + 29175.

It is an arithmetic number, because the mean of its divisors is an integer number (19832715).

Almost surely, 2^204001022 is an apocalyptic number.

204001022 is a deficient number, since it is larger than the sum of its proper divisors (113322418).

204001022 is a wasteful number, since it uses less digits than its factorization.

204001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8587.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 204001022 is about 14282.8926341970. The cubic root of 204001022 is about 588.6775147380.

Adding to 204001022 its reverse (220100402), we get a palindrome (424101424).

The spelling of 204001022 in words is "two hundred four million, one thousand, twenty-two".