22000020010120 has 32 divisors (see below), whose sum is σ = 49500406960920. Its totient is φ = 8799943659520.

The previous prime is 22000020010037. The next prime is 22000020010219. The reversal of 22000020010120 is 2101002000022.

It can be written as a sum of positive squares in 4 ways, for example, as 16260459445476 + 5739560564644 = 4032426^2 + 2395738^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22000020010097 and 22000020010106.

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, 3730554 + ... + 7610326.

Almost surely, 2^{22000020010120} is an apocalyptic number.

22000020010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000020010120 is an abundant number, since it is smaller than the sum of its proper divisors (27500386950800).

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

22000020010120 is a wasteful number, since it uses less digits than its factorization.

22000020010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021545 (or 4021541 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22000020010120 its reverse (2101002000022), we get a palindrome (24101022010142).

The spelling of 22000020010120 in words is "twenty-two trillion, twenty million, ten thousand, one hundred twenty".