13203320201220 has 96 divisors (see below), whose sum is σ = 37056097507968. Its totient is φ = 3512620081152.

The previous prime is 13203320201191. The next prime is 13203320201221. The reversal of 13203320201220 is 2210202330231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13203320201221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525660102 + ... + 525685218.

It is an arithmetic number, because the mean of its divisors is an integer number (386001015708).

Almost surely, 2^{13203320201220} is an apocalyptic number.

13203320201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203320201220 is an abundant number, since it is smaller than the sum of its proper divisors (23852777306748).

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

13203320201220 is a wasteful number, since it uses less digits than its factorization.

13203320201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45349 (or 45347 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13203320201220 its reverse (2210202330231), we get a palindrome (15413522531451).

The spelling of 13203320201220 in words is "thirteen trillion, two hundred three billion, three hundred twenty million, two hundred one thousand, two hundred twenty".