20122133031220 has 24 divisors (see below), whose sum is σ = 46097977490208. Its totient is φ = 7317139284000.

The previous prime is 20122133031211. The next prime is 20122133031227. The reversal of 20122133031220 is 2213033122102.

It is a super-2 number, since 2×20122133031220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20122133031191 and 20122133031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122133031227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45732120306 + ... + 45732120745.

It is an arithmetic number, because the mean of its divisors is an integer number (1920749062092).

Almost surely, 2^{20122133031220} is an apocalyptic number.

20122133031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122133031220 is an abundant number, since it is smaller than the sum of its proper divisors (25975844458988).

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

20122133031220 is a wasteful number, since it uses less digits than its factorization.

20122133031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91464241071 (or 91464241069 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20122133031220 its reverse (2213033122102), we get a palindrome (22335166153322).

The spelling of 20122133031220 in words is "twenty trillion, one hundred twenty-two billion, one hundred thirty-three million, thirty-one thousand, two hundred twenty".