20000220120012 has 36 divisors (see below), whose sum is σ = 51295330394168. Its totient is φ = 6060672763200.

The previous prime is 20000220119993. The next prime is 20000220120043. The reversal of 20000220120012 is 21002102200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20000220120012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6887126689 + ... + 6887129592.

Almost surely, 2^{20000220120012} is an apocalyptic number.

20000220120012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000220120012 is an abundant number, since it is smaller than the sum of its proper divisors (31295110274156).

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

20000220120012 is a wasteful number, since it uses less digits than its factorization.

20000220120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774256310 (or 13774256297 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000220120012 its reverse (21002102200002), we get a palindrome (41002322320014).

The spelling of 20000220120012 in words is "twenty trillion, two hundred twenty million, one hundred twenty thousand, twelve".