100651020 has 48 divisors (see below), whose sum is σ = 285804288. Its totient is φ = 26461120.

The previous prime is 100650943. The next prime is 100651039. The reversal of 100651020 is 20156001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7554 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (5954256).

Almost surely, 2^100651020 is an apocalyptic number.

100651020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100651020 is an abundant number, since it is smaller than the sum of its proper divisors (185153268).

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

100651020 is a wasteful number, since it uses less digits than its factorization.

100651020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23710 (or 23708 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 100651020 is about 10032.4981933714. The cubic root of 100651020 is about 465.1639611415.

The spelling of 100651020 in words is "one hundred million, six hundred fifty-one thousand, twenty".