20202122221320 has 64 divisors (see below), whose sum is σ = 65268394873920. Its totient is φ = 4972830084864.

The previous prime is 20202122221319. The next prime is 20202122221363. The reversal of 20202122221320 is 2312222120202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6475037614 + ... + 6475040733.

It is an arithmetic number, because the mean of its divisors is an integer number (1019818669905).

Almost surely, 2^{20202122221320} is an apocalyptic number.

20202122221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202122221320 is an abundant number, since it is smaller than the sum of its proper divisors (45066272652600).

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

20202122221320 is a wasteful number, since it uses less digits than its factorization.

20202122221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12950078374 (or 12950078370 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20202122221320 its reverse (2312222120202), we get a palindrome (22514344341522).

The spelling of 20202122221320 in words is "twenty trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty".