120220013 has 4 divisors (see below), whose sum is σ = 120411168. Its totient is φ = 120028860.

The previous prime is 120220007. The next prime is 120220021. The reversal of 120220013 is 310022021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310022021 = 73 ⋅4246877.

It is a cyclic number.

It is not a de Polignac number, because 120220013 - 2¹⁸ = 119957869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120219976 and 120220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94631 + ... + 95892.

It is an arithmetic number, because the mean of its divisors is an integer number (30102792).

Almost surely, 2^120220013 is an apocalyptic number.

It is an amenable number.

120220013 is a deficient number, since it is larger than the sum of its proper divisors (191155).

120220013 is an equidigital number, since it uses as much as digits as its factorization.

120220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191154.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120220013 is about 10964.4887249703. The cubic root of 120220013 is about 493.5436745587.

Adding to 120220013 its reverse (310022021), we get a palindrome (430242034).

The spelling of 120220013 in words is "one hundred twenty million, two hundred twenty thousand, thirteen".