220113221240 has 64 divisors (see below), whose sum is σ = 540774299520. Its totient is φ = 79967632000.

The previous prime is 220113221213. The next prime is 220113221261. The reversal of 220113221240 is 42122311022.

It is a super-3 number, since 3×220113221240³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 250775 + ... + 709305.

It is an arithmetic number, because the mean of its divisors is an integer number (8449598430).

Almost surely, 2^220113221240 is an apocalyptic number.

220113221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220113221240 is an abundant number, since it is smaller than the sum of its proper divisors (320661078280).

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

220113221240 is a wasteful number, since it uses less digits than its factorization.

220113221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459644 (or 459640 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 220113221240 its reverse (42122311022), we get a palindrome (262235532262).

The spelling of 220113221240 in words is "two hundred twenty billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred forty".