220131321300 has 144 divisors (see below), whose sum is σ = 772016212800. Its totient is φ = 53365161600.

The previous prime is 220131321287. The next prime is 220131321307. The reversal of 220131321300 is 3123131022.

220131321300 is a `hidden beast` number, since 220 + 1 + 313 + 2 + 130 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131321307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3676215 + ... + 3735614.

It is an arithmetic number, because the mean of its divisors is an integer number (5361223700).

Almost surely, 2^220131321300 is an apocalyptic number.

220131321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131321300 is an abundant number, since it is smaller than the sum of its proper divisors (551884891500).

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

220131321300 is a wasteful number, since it uses less digits than its factorization.

220131321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411863 (or 7411850 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 220131321300 its reverse (3123131022), we get a palindrome (223254452322).

The spelling of 220131321300 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred".