13120202330 has 32 divisors (see below), whose sum is σ = 24477895440. Its totient is φ = 5057328640.

The previous prime is 13120202299. The next prime is 13120202399. The reversal of 13120202330 is 3320202131.

It can be written as a sum of positive squares in 8 ways, for example, as 6303883609 + 6816318721 = 79397^2 + 82561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13120202299 and 13120202308.

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, 107672 + ... + 194508.

Almost surely, 2^13120202330 is an apocalyptic number.

13120202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120202330 is a deficient number, since it is larger than the sum of its proper divisors (11357693110).

13120202330 is a wasteful number, since it uses less digits than its factorization.

13120202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87394.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13120202330 its reverse (3320202131), we get a palindrome (16440404461).

The spelling of 13120202330 in words is "thirteen billion, one hundred twenty million, two hundred two thousand, three hundred thirty".