20034346336427 has 16 divisors (see below), whose sum is σ = 20379243663360. Its totient is φ = 19691428276800.

The previous prime is 20034346336393. The next prime is 20034346336451. The reversal of 20034346336427 is 72463364343002.

It is a cyclic number.

It is not a de Polignac number, because 20034346336427 - 2¹⁸ = 20034346074283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034346336457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38290652 + ... + 38810342.

It is an arithmetic number, because the mean of its divisors is an integer number (1273702728960).

Almost surely, 2^{20034346336427} is an apocalyptic number.

20034346336427 is a deficient number, since it is larger than the sum of its proper divisors (344897326933).

20034346336427 is a wasteful number, since it uses less digits than its factorization.

20034346336427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521594.

The product of its (nonzero) digits is 5225472, while the sum is 47.

The spelling of 20034346336427 in words is "twenty trillion, thirty-four billion, three hundred forty-six million, three hundred thirty-six thousand, four hundred twenty-seven".