2120026231 has 4 divisors (see below), whose sum is σ = 2120556712. Its totient is φ = 2119495752.

The previous prime is 2120026217. The next prime is 2120026243. The reversal of 2120026231 is 1326200212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120026231 - 2¹⁷ = 2119895159 is a prime.

It is a super-2 number, since 2×2120026231² = 8989022440256130722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120026199 and 2120026208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120026211) 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, 259200 + ... + 267253.

It is an arithmetic number, because the mean of its divisors is an integer number (530139178).

Almost surely, 2^2120026231 is an apocalyptic number.

2120026231 is a deficient number, since it is larger than the sum of its proper divisors (530481).

2120026231 is an equidigital number, since it uses as much as digits as its factorization.

2120026231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530480.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120026231 is about 46043.7425824617. The cubic root of 2120026231 is about 1284.6369559883.

Adding to 2120026231 its reverse (1326200212), we get a palindrome (3446226443).

The spelling of 2120026231 in words is "two billion, one hundred twenty million, twenty-six thousand, two hundred thirty-one".