20413020423 has 8 divisors (see below), whose sum is σ = 27678672000. Its totient is φ = 13378024568.

The previous prime is 20413020409. The next prime is 20413020451. The reversal of 20413020423 is 32402031402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413020423 - 2¹³ = 20413012231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20413020423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413020473) 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 7 ways as a sum of consecutive naturals, for example, 57663723 + ... + 57664076.

It is an arithmetic number, because the mean of its divisors is an integer number (3459834000).

Almost surely, 2^20413020423 is an apocalyptic number.

20413020423 is a deficient number, since it is larger than the sum of its proper divisors (7265651577).

20413020423 is a wasteful number, since it uses less digits than its factorization.

20413020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115327861.

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

Adding to 20413020423 its reverse (32402031402), we get a palindrome (52815051825).

The spelling of 20413020423 in words is "twenty billion, four hundred thirteen million, twenty thousand, four hundred twenty-three".