13333333123220 has 48 divisors (see below), whose sum is σ = 30545832457728. Its totient is φ = 4848424709760.

The previous prime is 13333333123171. The next prime is 13333333123237. The reversal of 13333333123220 is 2232133333331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19909949 + ... + 20568731.

It is an arithmetic number, because the mean of its divisors is an integer number (636371509536).

Almost surely, 2^{13333333123220} is an apocalyptic number.

13333333123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13333333123220 is an abundant number, since it is smaller than the sum of its proper divisors (17212499334508).

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

13333333123220 is a wasteful number, since it uses less digits than its factorization.

13333333123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750800 (or 750798 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 32.

Adding to 13333333123220 its reverse (2232133333331), we get a palindrome (15565466456551).

The spelling of 13333333123220 in words is "thirteen trillion, three hundred thirty-three billion, three hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty".