20120010022220 has 12 divisors (see below), whose sum is σ = 42252021046704. Its totient is φ = 8048004008880.

The previous prime is 20120010022207. The next prime is 20120010022237. The reversal of 20120010022220 is 2222001002102.

It is a junction number, because it is equal to n+sod(n) for n = 20120010022195 and 20120010022204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503000250536 + ... + 503000250575.

It is an arithmetic number, because the mean of its divisors is an integer number (3521001753892).

Almost surely, 2^{20120010022220} is an apocalyptic number.

20120010022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120010022220 is an abundant number, since it is smaller than the sum of its proper divisors (22132011024484).

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

20120010022220 is a wasteful number, since it uses less digits than its factorization.

20120010022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006000501120 (or 1006000501118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20120010022220 its reverse (2222001002102), we get a palindrome (22342011024322).

The spelling of 20120010022220 in words is "twenty trillion, one hundred twenty billion, ten million, twenty-two thousand, two hundred twenty".