120020231 has 4 divisors (see below), whose sum is σ = 120102432. Its totient is φ = 119938032.

The previous prime is 120020213. The next prime is 120020237. The reversal of 120020231 is 132020021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132020021 = 7 ⋅18860003.

It is a cyclic number.

It is not a de Polignac number, because 120020231 - 2¹⁴ = 120003847 is a prime.

It is a super-2 number, since 2×120020231² = 28809711698586722, 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 (120020237) 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, 38870 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (30025608).

Almost surely, 2^120020231 is an apocalyptic number.

120020231 is a deficient number, since it is larger than the sum of its proper divisors (82201).

120020231 is an equidigital number, since it uses as much as digits as its factorization.

120020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82200.

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

The square root of 120020231 is about 10955.3745257750. The cubic root of 120020231 is about 493.2701321621.

Adding to 120020231 its reverse (132020021), we get a palindrome (252040252).

The spelling of 120020231 in words is "one hundred twenty million, twenty thousand, two hundred thirty-one".