20120413323320 has 32 divisors (see below), whose sum is σ = 47653610504400. Its totient is φ = 7624577680128.

The previous prime is 20120413323277. The next prime is 20120413323397. The reversal of 20120413323320 is 2332331402102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120413323320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13237113269 + ... + 13237114788.

Almost surely, 2^{20120413323320} is an apocalyptic number.

20120413323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120413323320 is an abundant number, since it is smaller than the sum of its proper divisors (27533197181080).

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

20120413323320 is a wasteful number, since it uses less digits than its factorization.

20120413323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26474228087 (or 26474228083 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20120413323320 its reverse (2332331402102), we get a palindrome (22452744725422).

The spelling of 20120413323320 in words is "twenty trillion, one hundred twenty billion, four hundred thirteen million, three hundred twenty-three thousand, three hundred twenty".