13300000021220 has 96 divisors (see below), whose sum is σ = 31318772155776. Its totient is φ = 4702298854400.

The previous prime is 13300000021183. The next prime is 13300000021237. The reversal of 13300000021220 is 2212000000331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13300000021195 and 13300000021204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126647 + ... + 5159073.

It is an arithmetic number, because the mean of its divisors is an integer number (326237209956).

Almost surely, 2^{13300000021220} is an apocalyptic number.

13300000021220 is a gapful number since it is divisible by the number (10) 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 13300000021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15659386077888).

13300000021220 is an abundant number, since it is smaller than the sum of its proper divisors (18018772134556).

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

13300000021220 is a wasteful number, since it uses less digits than its factorization.

13300000021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032781 (or 5032779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13300000021220 its reverse (2212000000331), we get a palindrome (15512000021551).

The spelling of 13300000021220 in words is "thirteen trillion, three hundred billion, twenty-one thousand, two hundred twenty".