22020000100 has 72 divisors (see below), whose sum is σ = 55640063808. Its totient is φ = 7407254400.

The previous prime is 22020000097. The next prime is 22020000109. The reversal of 22020000100 is 100002022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (22020000109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259666 + ... + 333865.

It is an arithmetic number, because the mean of its divisors is an integer number (772778664).

Almost surely, 2^22020000100 is an apocalyptic number.

22020000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020000100 is an abundant number, since it is smaller than the sum of its proper divisors (33620063708).

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

22020000100 is a wasteful number, since it uses less digits than its factorization.

22020000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593605 (or 593598 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 22020000100 its reverse (100002022), we get a palindrome (22120002122).

The spelling of 22020000100 in words is "twenty-two billion, twenty million, one hundred", and thus it is an aban number.