120020313 has 32 divisors (see below), whose sum is σ = 189775872. Its totient is φ = 66024000.

The previous prime is 120020311. The next prime is 120020333. The reversal of 120020313 is 313020021.

It is a happy number.

It is not a de Polignac number, because 120020313 - 2¹ = 120020311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120020311) 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, 170863 + ... + 171563.

It is an arithmetic number, because the mean of its divisors is an integer number (5930496).

Almost surely, 2^120020313 is an apocalyptic number.

It is an amenable number.

120020313 is a deficient number, since it is larger than the sum of its proper divisors (69755559).

120020313 is a wasteful number, since it uses less digits than its factorization.

120020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120020313 is about 10955.3782682297. The cubic root of 120020313 is about 493.2702444991.

Adding to 120020313 its reverse (313020021), we get a palindrome (433040334).

The spelling of 120020313 in words is "one hundred twenty million, twenty thousand, three hundred thirteen".