130221220020 has 48 divisors (see below), whose sum is σ = 364640391360. Its totient is φ = 34723661056.

The previous prime is 130221220007. The next prime is 130221220049. The reversal of 130221220020 is 20022122031.

It is a happy number.

It is a super-2 number, since 2×130221220020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200391 + ... + 1304369.

It is an arithmetic number, because the mean of its divisors is an integer number (7596674820).

Almost surely, 2^130221220020 is an apocalyptic number.

130221220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130221220020 is an abundant number, since it is smaller than the sum of its proper divisors (234419171340).

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

130221220020 is a wasteful number, since it uses less digits than its factorization.

130221220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124864 (or 124862 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 130221220020 its reverse (20022122031), we get a palindrome (150243342051).

The spelling of 130221220020 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred twenty thousand, twenty".