20113112330220 has 96 divisors (see below), whose sum is σ = 69312879433728. Its totient is φ = 4243645677312.

The previous prime is 20113112330219. The next prime is 20113112330243. The reversal of 20113112330220 is 2203321131102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841854644 + ... + 1841865563.

It is an arithmetic number, because the mean of its divisors is an integer number (722009160768).

Almost surely, 2^{20113112330220} is an apocalyptic number.

20113112330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113112330220 is an abundant number, since it is smaller than the sum of its proper divisors (49199767103508).

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

20113112330220 is a wasteful number, since it uses less digits than its factorization.

20113112330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683720239 (or 3683720237 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20113112330220 its reverse (2203321131102), we get a palindrome (22316433461322).

The spelling of 20113112330220 in words is "twenty trillion, one hundred thirteen billion, one hundred twelve million, three hundred thirty thousand, two hundred twenty".