220132311020 has 24 divisors (see below), whose sum is σ = 462577514784. Its totient is φ = 87995846016.

The previous prime is 220132311001. The next prime is 220132311029. The reversal of 220132311020 is 20113231022.

It is a self number, because there is not a number n which added to its sum of digits gives 220132311020.

It is not an unprimeable number, because it can be changed into a prime (220132311029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535769 + ... + 3597488.

It is an arithmetic number, because the mean of its divisors is an integer number (19274063116).

Almost surely, 2^220132311020 is an apocalyptic number.

220132311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220132311020 is an abundant number, since it is smaller than the sum of its proper divisors (242445203764).

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

220132311020 is a wasteful number, since it uses less digits than its factorization.

220132311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134809 (or 7134807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220132311020 its reverse (20113231022), we get a palindrome (240245542042).

The spelling of 220132311020 in words is "two hundred twenty billion, one hundred thirty-two million, three hundred eleven thousand, twenty".