20005423415 has 8 divisors (see below), whose sum is σ = 24564799248. Its totient is φ = 15632144640.

The previous prime is 20005423393. The next prime is 20005423441. The reversal of 20005423415 is 51432450002.

It is a happy number.

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

It is not a de Polignac number, because 20005423415 - 2²⁶ = 19938314551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46524026 + ... + 46524455.

It is an arithmetic number, because the mean of its divisors is an integer number (3070599906).

Almost surely, 2^20005423415 is an apocalyptic number.

20005423415 is a deficient number, since it is larger than the sum of its proper divisors (4559375833).

20005423415 is an equidigital number, since it uses as much as digits as its factorization.

20005423415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93048529.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20005423415 its reverse (51432450002), we get a palindrome (71437873417).

The spelling of 20005423415 in words is "twenty billion, five million, four hundred twenty-three thousand, four hundred fifteen".