100662020 has 24 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 40094432.

The previous prime is 100662013. The next prime is 100662031. The reversal of 100662020 is 20266001.

It is a self number, because there is not a number n which added to its sum of digits gives 100662020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750 + ... + 15309.

It is an arithmetic number, because the mean of its divisors is an integer number (8845200).

Almost surely, 2^100662020 is an apocalyptic number.

100662020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100662020 is an abundant number, since it is smaller than the sum of its proper divisors (111622780).

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

100662020 is a wasteful number, since it uses less digits than its factorization.

100662020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307 (or 21305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100662020 is about 10033.0463967830. The cubic root of 100662020 is about 465.1809062163.

The spelling of 100662020 in words is "one hundred million, six hundred sixty-two thousand, twenty".