20123242013320 has 32 divisors (see below), whose sum is σ = 45280545894720. Its totient is φ = 8048718784960.

The previous prime is 20123242013221. The next prime is 20123242013339. The reversal of 20123242013320 is 2331024232102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17498932 + ... + 18613411.

It is an arithmetic number, because the mean of its divisors is an integer number (1415017059210).

Almost surely, 2^{20123242013320} is an apocalyptic number.

20123242013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123242013320 is an abundant number, since it is smaller than the sum of its proper divisors (25157303881400).

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

20123242013320 is a wasteful number, since it uses less digits than its factorization.

20123242013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36126285 (or 36126281 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20123242013320 its reverse (2331024232102), we get a palindrome (22454266245422).

The spelling of 20123242013320 in words is "twenty trillion, one hundred twenty-three billion, two hundred forty-two million, thirteen thousand, three hundred twenty".