201122022000020 has 48 divisors (see below), whose sum is σ = 461760479466048. Its totient is φ = 72975247253760.

The previous prime is 201122022000017. The next prime is 201122022000043. The reversal of 201122022000020 is 20000220221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122021999959 and 201122022000004.

It is a congruent number.

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, 1000108442 + ... + 1000309521.

It is an arithmetic number, because the mean of its divisors is an integer number (9620009988876).

Almost surely, 2^{201122022000020} is an apocalyptic number.

201122022000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122022000020 is an abundant number, since it is smaller than the sum of its proper divisors (260638457466028).

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

201122022000020 is a wasteful number, since it uses less digits than its factorization.

201122022000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000418440 (or 2000418438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201122022000020 its reverse (20000220221102), we get a palindrome (221122242221122).

The spelling of 201122022000020 in words is "two hundred one trillion, one hundred twenty-two billion, twenty-two million, twenty", and thus it is an aban number.