20005222125360 has 640 divisors, whose sum is σ = 70348857384960. Its totient is φ = 4674902425600.

The previous prime is 20005222125347. The next prime is 20005222125391. The reversal of 20005222125360 is 6352122250002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1773664201 + ... + 1773675479.

It is an arithmetic number, because the mean of its divisors is an integer number (109920089664).

Almost surely, 2^{20005222125360} is an apocalyptic number.

20005222125360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20005222125360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35174428692480).

20005222125360 is an abundant number, since it is smaller than the sum of its proper divisors (50343635259600).

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

20005222125360 is a wasteful number, since it uses less digits than its factorization.

20005222125360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837 (or 11831 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20005222125360 its reverse (6352122250002), we get a palindrome (26357344375362).

The spelling of 20005222125360 in words is "twenty trillion, five billion, two hundred twenty-two million, one hundred twenty-five thousand, three hundred sixty".