22013320100 has 72 divisors (see below), whose sum is σ = 50118625536. Its totient is φ = 8381520000.

The previous prime is 22013320099. The next prime is 22013320123. The reversal of 22013320100 is 102331022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130895 + ... + 247305.

Almost surely, 2^22013320100 is an apocalyptic number.

22013320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013320100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25059312768).

22013320100 is an abundant number, since it is smaller than the sum of its proper divisors (28105305436).

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

22013320100 is a wasteful number, since it uses less digits than its factorization.

22013320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116517 (or 116510 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22013320100 its reverse (102331022), we get a palindrome (22115651122).

The spelling of 22013320100 in words is "twenty-two billion, thirteen million, three hundred twenty thousand, one hundred".