100020180854080 has 112 divisors (see below), whose sum is σ = 252490412616336. Its totient is φ = 37608790261760.

The previous prime is 100020180854053. The next prime is 100020180854129. The reversal of 100020180854080 is 80458081020001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 35860239424 + 99984320614656 = 189368^2 + 9999216^2 .

It is a congruent number.

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, 6731119 + ... + 15663598.

Almost surely, 2^{100020180854080} is an apocalyptic number.

100020180854080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020180854080 is an abundant number, since it is smaller than the sum of its proper divisors (152470231762256).

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

100020180854080 is a wasteful number, since it uses less digits than its factorization.

100020180854080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395572 (or 22395562 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 100020180854080 in words is "one hundred trillion, twenty billion, one hundred eighty million, eight hundred fifty-four thousand, eighty".