20413240023 has 24 divisors (see below), whose sum is σ = 30646628208. Its totient is φ = 12069904000.

The previous prime is 20413239907. The next prime is 20413240037. The reversal of 20413240023 is 32004231402.

It is not a de Polignac number, because 20413240023 - 2⁸ = 20413239767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413240063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670908 + ... + 700673.

It is an arithmetic number, because the mean of its divisors is an integer number (1276942842).

Almost surely, 2^20413240023 is an apocalyptic number.

20413240023 is a deficient number, since it is larger than the sum of its proper divisors (10233388185).

20413240023 is a wasteful number, since it uses less digits than its factorization.

20413240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371647 (or 1371636 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20413240023 its reverse (32004231402), we get a palindrome (52417471425).

The spelling of 20413240023 in words is "twenty billion, four hundred thirteen million, two hundred forty thousand, twenty-three".