204140562 has 16 divisors (see below), whose sum is σ = 411497472. Its totient is φ = 67510800.

The previous prime is 204140561. The next prime is 204140567. The reversal of 204140562 is 265041402.

It is not an unprimeable number, because it can be changed into a prime (204140561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133189 + ... + 134712.

It is an arithmetic number, because the mean of its divisors is an integer number (25718592).

Almost surely, 2^204140562 is an apocalyptic number.

204140562 is an abundant number, since it is smaller than the sum of its proper divisors (207356910).

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

204140562 is a wasteful number, since it uses less digits than its factorization.

204140562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268033.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 204140562 is about 14287.7766639880. The cubic root of 204140562 is about 588.8117057949.

Adding to 204140562 its reverse (265041402), we get a palindrome (469181964).

The spelling of 204140562 in words is "two hundred four million, one hundred forty thousand, five hundred sixty-two".