202040334122020 has 24 divisors (see below), whose sum is σ = 424292750691264. Its totient is φ = 80814600499296.

The previous prime is 202040334122009. The next prime is 202040334122021. The reversal of 202040334122020 is 20221433040202.

It is a super-2 number, since 2×202040334122020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202040334122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94740942 + ... + 96850021.

It is an arithmetic number, because the mean of its divisors is an integer number (17678864612136).

Almost surely, 2^{202040334122020} is an apocalyptic number.

202040334122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202040334122020 is an abundant number, since it is smaller than the sum of its proper divisors (222252416569244).

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

202040334122020 is a wasteful number, since it uses less digits than its factorization.

202040334122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191643699 (or 191643697 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202040334122020 its reverse (20221433040202), we get a palindrome (222261767162222).

The spelling of 202040334122020 in words is "two hundred two trillion, forty billion, three hundred thirty-four million, one hundred twenty-two thousand, twenty".