100056620 has 24 divisors (see below), whose sum is σ = 210319200. Its totient is φ = 39984512.

The previous prime is 100056599. The next prime is 100056643. The reversal of 100056620 is 26650001.

It is a super-2 number, since 2×100056620² = 20022654411648800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100056592 and 100056601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29576 + ... + 32784.

It is an arithmetic number, because the mean of its divisors is an integer number (8763300).

Almost surely, 2^100056620 is an apocalyptic number.

100056620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100056620 is an abundant number, since it is smaller than the sum of its proper divisors (110262580).

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

100056620 is a wasteful number, since it uses less digits than its factorization.

100056620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100056620 is about 10002.8305993854. The cubic root of 100056620 is about 464.2464690863.

The spelling of 100056620 in words is "one hundred million, fifty-six thousand, six hundred twenty".