100420446100 has 36 divisors (see below), whose sum is σ = 234674860924. Its totient is φ = 37078318080.

The previous prime is 100420446097. The next prime is 100420446101. The reversal of 100420446100 is 1644024001.

It can be written as a sum of positive squares in 6 ways, for example, as 11718928516 + 88701517584 = 108254^2 + 297828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420446101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38621949 + ... + 38624548.

Almost surely, 2^100420446100 is an apocalyptic number.

100420446100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100420446100 is an abundant number, since it is smaller than the sum of its proper divisors (134254414824).

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

100420446100 is a wasteful number, since it uses less digits than its factorization.

100420446100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77246524 (or 77246517 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 100420446100 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, one hundred".