120220231 has 4 divisors (see below), whose sum is σ = 120688272. Its totient is φ = 119752192.

The previous prime is 120220223. The next prime is 120220237. The reversal of 120220231 is 132022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132022021 = 223 ⋅592027.

It is a cyclic number.

It is not a de Polignac number, because 120220231 - 2³ = 120220223 is a prime.

It is a super-2 number, since 2×120220231² = 28905807883386722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220237) 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, 233635 + ... + 234148.

It is an arithmetic number, because the mean of its divisors is an integer number (30172068).

Almost surely, 2^120220231 is an apocalyptic number.

120220231 is a deficient number, since it is larger than the sum of its proper divisors (468041).

120220231 is an equidigital number, since it uses as much as digits as its factorization.

120220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468040.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120220231 is about 10964.4986661498. The cubic root of 120220231 is about 493.5439728797.

Adding to 120220231 its reverse (132022021), we get a palindrome (252242252).

The spelling of 120220231 in words is "one hundred twenty million, two hundred twenty thousand, two hundred thirty-one".