100022020200 has 72 divisors (see below), whose sum is σ = 335907290550. Its totient is φ = 26672538240.

The previous prime is 100022020193. The next prime is 100022020271. The reversal of 100022020200 is 2020220001.

It can be written as a sum of positive squares in 3 ways, for example, as 79013836836 + 21008183364 = 281094^2 + 144942^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27782095 + ... + 27785694.

Almost surely, 2^100022020200 is an apocalyptic number.

100022020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022020200 is an abundant number, since it is smaller than the sum of its proper divisors (235885270350).

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

100022020200 is a wasteful number, since it uses less digits than its factorization.

100022020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55567811 (or 55567799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 100022020200 its reverse (2020220001), we get a palindrome (102042240201).

The spelling of 100022020200 in words is "one hundred billion, twenty-two million, twenty thousand, two hundred".