100606420 has 24 divisors (see below), whose sum is σ = 212502024. Its totient is φ = 40008576.

The previous prime is 100606409. The next prime is 100606427. The reversal of 100606420 is 24606001.

It can be written as a sum of positive squares in 4 ways, for example, as 44116164 + 56490256 = 6642^2 + 7516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100606427) 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, 11079 + ... + 17998.

It is an arithmetic number, because the mean of its divisors is an integer number (8854251).

Almost surely, 2^100606420 is an apocalyptic number.

100606420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100606420 is an abundant number, since it is smaller than the sum of its proper divisors (111895604).

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

100606420 is a wasteful number, since it uses less digits than its factorization.

100606420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29259 (or 29257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 100606420 is about 10030.2751707019. The cubic root of 100606420 is about 465.0952439119.

The spelling of 100606420 in words is "one hundred million, six hundred six thousand, four hundred twenty".