20000220122000 has 80 divisors (see below), whose sum is σ = 48804207394800. Its totient is φ = 7926692659200.

The previous prime is 20000220121991. The next prime is 20000220122021. The reversal of 20000220122000 is 22102200002.

It can be written as a sum of positive squares in 8 ways, for example, as 378013469584 + 19622206652416 = 614828^2 + 4429696^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45654065 + ... + 46090064.

It is an arithmetic number, because the mean of its divisors is an integer number (610052592435).

Almost surely, 2^{20000220122000} is an apocalyptic number.

20000220122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000220122000 is an abundant number, since it is smaller than the sum of its proper divisors (28803987272800).

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

20000220122000 is a wasteful number, since it uses less digits than its factorization.

20000220122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91744261 (or 91744245 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20000220122000 its reverse (22102200002), we get a palindrome (20022322322002).

The spelling of 20000220122000 in words is "twenty trillion, two hundred twenty million, one hundred twenty-two thousand".