101568220 has 24 divisors (see below), whose sum is σ = 229701024. Its totient is φ = 37502016.

The previous prime is 101568211. The next prime is 101568223. The reversal of 101568220 is 22865101.

It is a super-2 number, since 2×101568220² = 20632206627936800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101568223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195064 + ... + 195583.

It is an arithmetic number, because the mean of its divisors is an integer number (9570876).

Almost surely, 2^101568220 is an apocalyptic number.

101568220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101568220 is an abundant number, since it is smaller than the sum of its proper divisors (128132804).

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

101568220 is a wasteful number, since it uses less digits than its factorization.

101568220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390669 (or 390667 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 101568220 is about 10078.1059728503. The cubic root of 101568220 is about 466.5726533972.

The spelling of 101568220 in words is "one hundred one million, five hundred sixty-eight thousand, two hundred twenty".