13220220033 has 20 divisors (see below), whose sum is σ = 19791433728. Its totient is φ = 8794419480.

The previous prime is 13220219963. The next prime is 13220220037. The reversal of 13220220033 is 33002202231.

It is a happy number.

It is not a de Polignac number, because 13220220033 - 2¹⁸ = 13219957889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13220219988 and 13220220015.

It is not an unprimeable number, because it can be changed into a prime (13220220037) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138753 + ... + 213758.

Almost surely, 2^13220220033 is an apocalyptic number.

It is an amenable number.

13220220033 is a deficient number, since it is larger than the sum of its proper divisors (6571213695).

13220220033 is an equidigital number, since it uses as much as digits as its factorization.

13220220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352986 (or 352977 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13220220033 its reverse (33002202231), we get a palindrome (46222422264).

The spelling of 13220220033 in words is "thirteen billion, two hundred twenty million, two hundred twenty thousand, thirty-three".