20504125733322 has 192 divisors, whose sum is σ = 54443687639040. Its totient is φ = 5085299116800.

The previous prime is 20504125733303. The next prime is 20504125733327. The reversal of 20504125733322 is 22333752140502.

It is a super-2 number, since 2×20504125733322² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20504125733327) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4586829 + ... + 7877007.

It is an arithmetic number, because the mean of its divisors is an integer number (283560873120).

Almost surely, 2^{20504125733322} is an apocalyptic number.

20504125733322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20504125733322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27221843819520).

20504125733322 is an abundant number, since it is smaller than the sum of its proper divisors (33939561905718).

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

20504125733322 is a wasteful number, since it uses less digits than its factorization.

20504125733322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290297 (or 3290290 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

Adding to 20504125733322 its reverse (22333752140502), we get a palindrome (42837877873824).

The spelling of 20504125733322 in words is "twenty trillion, five hundred four billion, one hundred twenty-five million, seven hundred thirty-three thousand, three hundred twenty-two".