20112000102220 has 24 divisors (see below), whose sum is σ = 45484061770224. Its totient is φ = 7425969268416.

The previous prime is 20112000102199. The next prime is 20112000102251. The reversal of 20112000102220 is 2220100021102.

It is a happy number.

It is a super-2 number, since 2×20112000102220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 20112000102220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38676923014 + ... + 38676923533.

It is an arithmetic number, because the mean of its divisors is an integer number (1895169240426).

Almost surely, 2^{20112000102220} is an apocalyptic number.

20112000102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112000102220 is an abundant number, since it is smaller than the sum of its proper divisors (25372061668004).

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

20112000102220 is a wasteful number, since it uses less digits than its factorization.

20112000102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77353846569 (or 77353846567 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112000102220 its reverse (2220100021102), we get a palindrome (22332100123322).

The spelling of 20112000102220 in words is "twenty trillion, one hundred twelve billion, one hundred two thousand, two hundred twenty".