204989022 has 32 divisors (see below), whose sum is σ = 520608000. Its totient is φ = 58568184.

The previous prime is 204989017. The next prime is 204989027. The reversal of 204989022 is 220989402.

It is an interprime number because it is at equal distance from previous prime (204989017) and next prime (204989027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204989027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270772 + ... + 271527.

It is an arithmetic number, because the mean of its divisors is an integer number (16269000).

Almost surely, 2^204989022 is an apocalyptic number.

204989022 is an abundant number, since it is smaller than the sum of its proper divisors (315618978).

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

204989022 is a wasteful number, since it uses less digits than its factorization.

204989022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542317 (or 542311 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 204989022 is about 14317.4376897544. The cubic root of 204989022 is about 589.6263285516.

The spelling of 204989022 in words is "two hundred four million, nine hundred eighty-nine thousand, twenty-two".