204221010 has 32 divisors (see below), whose sum is σ = 560149632. Its totient is φ = 46679040.

The previous prime is 204220999. The next prime is 204221029. The reversal of 204221010 is 10122402.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 486031 + ... + 486450.

It is an arithmetic number, because the mean of its divisors is an integer number (17504676).

Almost surely, 2^204221010 is an apocalyptic number.

204221010 is an abundant number, since it is smaller than the sum of its proper divisors (355928622).

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

204221010 is a wasteful number, since it uses less digits than its factorization.

204221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972498.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 204221010 is about 14290.5916602498. The cubic root of 204221010 is about 588.8890422188.

Adding to 204221010 its reverse (10122402), we get a palindrome (214343412).

The spelling of 204221010 in words is "two hundred four million, two hundred twenty-one thousand, ten".