20341440231 has 8 divisors (see below), whose sum is σ = 30996480384. Its totient is φ = 11623680120.

The previous prime is 20341440211. The next prime is 20341440271. The reversal of 20341440231 is 13204414302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20341440231 - 2⁷ = 20341440103 is a prime.

It is a super-2 number, since 2×20341440231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341440211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484319985 + ... + 484320026.

It is an arithmetic number, because the mean of its divisors is an integer number (3874560048).

Almost surely, 2^20341440231 is an apocalyptic number.

20341440231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20341440231 is a deficient number, since it is larger than the sum of its proper divisors (10655040153).

20341440231 is an equidigital number, since it uses as much as digits as its factorization.

20341440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968640021.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20341440231 its reverse (13204414302), we get a palindrome (33545854533).

The spelling of 20341440231 in words is "twenty billion, three hundred forty-one million, four hundred forty thousand, two hundred thirty-one".