102220204 has 12 divisors (see below), whose sum is σ = 179074224. Its totient is φ = 51056144.

The previous prime is 102220193. The next prime is 102220207. The reversal of 102220204 is 402022201.

It is not an unprimeable number, because it can be changed into a prime (102220207) 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 3 ways as a sum of consecutive naturals, for example, 9067 + ... + 16930.

It is an arithmetic number, because the mean of its divisors is an integer number (14922852).

Almost surely, 2^102220204 is an apocalyptic number.

It is an amenable number.

102220204 is a deficient number, since it is larger than the sum of its proper divisors (76854020).

102220204 is a wasteful number, since it uses less digits than its factorization.

102220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26984 (or 26982 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 102220204 is about 10110.4007833518. The cubic root of 102220204 is about 467.5688617143.

Adding to 102220204 its reverse (402022201), we get a palindrome (504242405).

The spelling of 102220204 in words is "one hundred two million, two hundred twenty thousand, two hundred four".