220131133420 has 48 divisors (see below), whose sum is σ = 504337736448. Its totient is φ = 80041760960.

The previous prime is 220131133403. The next prime is 220131133421. The reversal of 220131133420 is 24331131022.

220131133420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220131133391 and 220131133400.

It is not an unprimeable number, because it can be changed into a prime (220131133421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3884127 + ... + 3940393.

It is an arithmetic number, because the mean of its divisors is an integer number (10507036176).

Almost surely, 2^220131133420 is an apocalyptic number.

220131133420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131133420 is an abundant number, since it is smaller than the sum of its proper divisors (284206603028).

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

220131133420 is a wasteful number, since it uses less digits than its factorization.

220131133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74070 (or 74068 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 220131133420 its reverse (24331131022), we get a palindrome (244462264442).

The spelling of 220131133420 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred thirty-three thousand, four hundred twenty".