20322200121140 has 96 divisors (see below), whose sum is σ = 45882181900800. Its totient is φ = 7536597488640.

The previous prime is 20322200121101. The next prime is 20322200121161. The reversal of 20322200121140 is 4112100222302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 272667080 + ... + 272741600.

It is an arithmetic number, because the mean of its divisors is an integer number (477939394800).

Almost surely, 2^{20322200121140} is an apocalyptic number.

20322200121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322200121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22941090950400).

20322200121140 is an abundant number, since it is smaller than the sum of its proper divisors (25559981779660).

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

20322200121140 is a wasteful number, since it uses less digits than its factorization.

20322200121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89865 (or 89863 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20322200121140 its reverse (4112100222302), we get a palindrome (24434300343442).

The spelling of 20322200121140 in words is "twenty trillion, three hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, one hundred forty".