100020220444 has 12 divisors (see below), whose sum is σ = 180681688768. Its totient is φ = 48396880800.

The previous prime is 100020220387. The next prime is 100020220471. The reversal of 100020220444 is 444022020001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403307217 + ... + 403307464.

Almost surely, 2^100020220444 is an apocalyptic number.

It is an amenable number.

100020220444 is a deficient number, since it is larger than the sum of its proper divisors (80661468324).

100020220444 is a wasteful number, since it uses less digits than its factorization.

100020220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806614716 (or 806614714 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 100020220444 its reverse (444022020001), we get a palindrome (544042240445).

The spelling of 100020220444 in words is "one hundred billion, twenty million, two hundred twenty thousand, four hundred forty-four".