20220001121320 has 128 divisors (see below), whose sum is σ = 61084199312640. Its totient is φ = 5817542768640.

The previous prime is 20220001121311. The next prime is 20220001121321. The reversal of 20220001121320 is 2312110002202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20220001121294 and 20220001121303.

It is not an unprimeable number, because it can be changed into a prime (20220001121321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252457477 + ... + 252537556.

It is an arithmetic number, because the mean of its divisors is an integer number (477220307130).

Almost surely, 2^{20220001121320} is an apocalyptic number.

20220001121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220001121320 is an abundant number, since it is smaller than the sum of its proper divisors (40864198191320).

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

20220001121320 is a wasteful number, since it uses less digits than its factorization.

20220001121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504995075 (or 504995071 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20220001121320 its reverse (2312110002202), we get a palindrome (22532111123522).

The spelling of 20220001121320 in words is "twenty trillion, two hundred twenty billion, one million, one hundred twenty-one thousand, three hundred twenty".