220120111040 has 112 divisors (see below), whose sum is σ = 534215705760. Its totient is φ = 86375116800.

The previous prime is 220120111039. The next prime is 220120111061. The reversal of 220120111040 is 40111021022.

It is a happy number.

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, 3491639 + ... + 3554121.

Almost surely, 2^220120111040 is an apocalyptic number.

220120111040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220120111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267107852880).

220120111040 is an abundant number, since it is smaller than the sum of its proper divisors (314095594720).

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

220120111040 is a wasteful number, since it uses less digits than its factorization.

220120111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62710 (or 62700 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220120111040 its reverse (40111021022), we get a palindrome (260231132062).

The spelling of 220120111040 in words is "two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, forty".