20000000020122 has 16 divisors (see below), whose sum is σ = 44444444489280. Its totient is φ = 6666666673356.

The previous prime is 20000000020097. The next prime is 20000000020211. The reversal of 20000000020122 is 22102000000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 185185185318 + ... + 185185185425.

It is an arithmetic number, because the mean of its divisors is an integer number (2777777780580).

Almost surely, 2^{20000000020122} is an apocalyptic number.

20000000020122 is an abundant number, since it is smaller than the sum of its proper divisors (24444444469158).

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

20000000020122 is a wasteful number, since it uses less digits than its factorization.

20000000020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370370370754 (or 370370370748 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000000020122 its reverse (22102000000002), we get a palindrome (42102000020124).

The spelling of 20000000020122 in words is "twenty trillion, twenty thousand, one hundred twenty-two".