20222121300320 has 48 divisors (see below), whose sum is σ = 47965099362768. Its totient is φ = 8056622016000.

The previous prime is 20222121300257. The next prime is 20222121300349. The reversal of 20222121300320 is 2300312122202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20222121300292 and 20222121300301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251729279 + ... + 251809598.

It is an arithmetic number, because the mean of its divisors is an integer number (999272903391).

Almost surely, 2^{20222121300320} is an apocalyptic number.

20222121300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222121300320 is an abundant number, since it is smaller than the sum of its proper divisors (27742978062448).

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

20222121300320 is a wasteful number, since it uses less digits than its factorization.

20222121300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503539143 (or 503539135 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20222121300320 its reverse (2300312122202), we get a palindrome (22522433422522).

The spelling of 20222121300320 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred thousand, three hundred twenty".