20021222233020 has 96 divisors (see below), whose sum is σ = 59672951251200. Its totient is φ = 5001161577984.

The previous prime is 20021222232997. The next prime is 20021222233073. The reversal of 20021222233020 is 2033222212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98564134 + ... + 98767053.

It is an arithmetic number, because the mean of its divisors is an integer number (621593242200).

Almost surely, 2^{20021222233020} is an apocalyptic number.

20021222233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021222233020 is an abundant number, since it is smaller than the sum of its proper divisors (39651729018180).

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

20021222233020 is a wasteful number, since it uses less digits than its factorization.

20021222233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197331307 (or 197331305 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20021222233020 its reverse (2033222212002), we get a palindrome (22054444445022).

The spelling of 20021222233020 in words is "twenty trillion, twenty-one billion, two hundred twenty-two million, two hundred thirty-three thousand, twenty".