120220313 has 4 divisors (see below), whose sum is σ = 122778240. Its totient is φ = 117662388.

The previous prime is 120220307. The next prime is 120220327. The reversal of 120220313 is 313022021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120220313 - 2⁴ = 120220297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220393) 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, 1278893 + ... + 1278986.

It is an arithmetic number, because the mean of its divisors is an integer number (30694560).

Almost surely, 2^120220313 is an apocalyptic number.

It is an amenable number.

120220313 is a deficient number, since it is larger than the sum of its proper divisors (2557927).

120220313 is an equidigital number, since it uses as much as digits as its factorization.

120220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557926.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120220313 is about 10964.5024054902. The cubic root of 120220313 is about 493.5440850921.

Adding to 120220313 its reverse (313022021), we get a palindrome (433242334).

The spelling of 120220313 in words is "one hundred twenty million, two hundred twenty thousand, three hundred thirteen".