100020204400344 has 32 divisors (see below), whose sum is σ = 250050823020720. Its totient is φ = 33340026530816.

The previous prime is 100020204400339. The next prime is 100020204400367. The reversal of 100020204400344 is 443004402020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 21649372 + ... + 25859924.

Almost surely, 2^{100020204400344} is an apocalyptic number.

It is an amenable number.

100020204400344 is an abundant number, since it is smaller than the sum of its proper divisors (150030618620376).

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

100020204400344 is a wasteful number, since it uses less digits than its factorization.

100020204400344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200339 (or 5200335 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 100020204400344 its reverse (443004402020001), we get a palindrome (543024606420345).

The spelling of 100020204400344 in words is "one hundred trillion, twenty billion, two hundred four million, four hundred thousand, three hundred forty-four".