20001122095580 has 12 divisors (see below), whose sum is σ = 42002356400760. Its totient is φ = 8000448838224.

The previous prime is 20001122095579. The next prime is 20001122095589. The reversal of 20001122095580 is 8559022110002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001122095580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001122095589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500028052370 + ... + 500028052409.

It is an arithmetic number, because the mean of its divisors is an integer number (3500196366730).

Almost surely, 2^{20001122095580} is an apocalyptic number.

20001122095580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001122095580 is an abundant number, since it is smaller than the sum of its proper divisors (22001234305180).

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

20001122095580 is a wasteful number, since it uses less digits than its factorization.

20001122095580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000056104788 (or 1000056104786 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 20001122095580 in words is "twenty trillion, one billion, one hundred twenty-two million, ninety-five thousand, five hundred eighty".