22130299980 has 120 divisors (see below), whose sum is σ = 69462727488. Its totient is φ = 5898085632.

The previous prime is 22130299979. The next prime is 22130300033. The reversal of 22130299980 is 8999203122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4480072 + ... + 4485008.

Almost surely, 2^22130299980 is an apocalyptic number.

22130299980 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 22130299980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34731363744).

22130299980 is an abundant number, since it is smaller than the sum of its proper divisors (47332427508).

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

22130299980 is a wasteful number, since it uses less digits than its factorization.

22130299980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725 (or 7714 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 22130299980 in words is "twenty-two billion, one hundred thirty million, two hundred ninety-nine thousand, nine hundred eighty".