20012200002220 has 12 divisors (see below), whose sum is σ = 42025620004704. Its totient is φ = 8004880000880.

The previous prime is 20012200002169. The next prime is 20012200002229. The reversal of 20012200002220 is 2220000221002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012200002220.

It is not an unprimeable number, because it can be changed into a prime (20012200002229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500305000036 + ... + 500305000075.

It is an arithmetic number, because the mean of its divisors is an integer number (3502135000392).

Almost surely, 2^{20012200002220} is an apocalyptic number.

20012200002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012200002220 is an abundant number, since it is smaller than the sum of its proper divisors (22013420002484).

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

20012200002220 is a wasteful number, since it uses less digits than its factorization.

20012200002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000610000120 (or 1000610000118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20012200002220 its reverse (2220000221002), we get a palindrome (22232200223222).

The spelling of 20012200002220 in words is "twenty trillion, twelve billion, two hundred million, two thousand, two hundred twenty".