10220121322020 has 72 divisors (see below), whose sum is σ = 31307975669880. Its totient is φ = 2698381862400.

The previous prime is 10220121322007. The next prime is 10220121322031. The reversal of 10220121322020 is 2022312102201.

10220121322020 is a `hidden beast` number, since 1 + 0 + 220 + 121 + 322 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4756420770084 + 5463700551936 = 2180922^2 + 2337456^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10220121321984 and 10220121322002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281063265 + ... + 281099624.

It is an arithmetic number, because the mean of its divisors is an integer number (434832995415).

Almost surely, 2^{10220121322020} is an apocalyptic number.

10220121322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220121322020 is an abundant number, since it is smaller than the sum of its proper divisors (21087854347860).

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

10220121322020 is a wasteful number, since it uses less digits than its factorization.

10220121322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562163005 (or 562163000 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10220121322020 its reverse (2022312102201), we get a palindrome (12242433424221).

The spelling of 10220121322020 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, three hundred twenty-two thousand, twenty".