22001120001980 has 36 divisors (see below), whose sum is σ = 53745593150088. Its totient is φ = 7543241143200.

The previous prime is 22001120001979. The next prime is 22001120002009. The reversal of 22001120001980 is 8910002110022.

It is a congruent number.

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, 11225060246 + ... + 11225062205.

It is an arithmetic number, because the mean of its divisors is an integer number (1492933143058).

Almost surely, 2^{22001120001980} is an apocalyptic number.

22001120001980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001120001980 is an abundant number, since it is smaller than the sum of its proper divisors (31744473148108).

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

22001120001980 is a wasteful number, since it uses less digits than its factorization.

22001120001980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22450122474 (or 22450122465 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22001120001980 in words is "twenty-two trillion, one billion, one hundred twenty million, one thousand, nine hundred eighty".