13203333220220 has 96 divisors (see below), whose sum is σ = 32604079144896. Its totient is φ = 4427847014400.

The previous prime is 13203333220219. The next prime is 13203333220261. The reversal of 13203333220220 is 2202233330231.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 13203333220220.

It is a congruent number.

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, 1033250 + ... + 5241590.

It is an arithmetic number, because the mean of its divisors is an integer number (339625824426).

Almost surely, 2^{13203333220220} is an apocalyptic number.

13203333220220 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 13203333220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16302039572448).

13203333220220 is an abundant number, since it is smaller than the sum of its proper divisors (19400745924676).

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

13203333220220 is a wasteful number, since it uses less digits than its factorization.

13203333220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209471 (or 4209469 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 13203333220220 its reverse (2202233330231), we get a palindrome (15405566550451).

The spelling of 13203333220220 in words is "thirteen trillion, two hundred three billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty".