102568220 has 24 divisors (see below), whose sum is σ = 215587008. Its totient is φ = 40990400.

The previous prime is 102568211. The next prime is 102568261. The reversal of 102568220 is 22865201.

It is a super-3 number, since 3×102568220³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102568220.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36050 + ... + 38790.

It is an arithmetic number, because the mean of its divisors is an integer number (8982792).

Almost surely, 2^102568220 is an apocalyptic number.

102568220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102568220 is an abundant number, since it is smaller than the sum of its proper divisors (113018788).

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

102568220 is a wasteful number, since it uses less digits than its factorization.

102568220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 102568220 is about 10127.5969509060. The cubic root of 102568220 is about 468.0988845522.

The spelling of 102568220 in words is "one hundred two million, five hundred sixty-eight thousand, two hundred twenty".