20430344627 has 16 divisors (see below), whose sum is σ = 25477466112. Its totient is φ = 15916081920.

The previous prime is 20430344591. The next prime is 20430344651. The reversal of 20430344627 is 72644303402.

It is a cyclic number.

It is not a de Polignac number, because 20430344627 - 2²⁸ = 20161909171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20430344227) 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, 333923 + ... + 390339.

It is an arithmetic number, because the mean of its divisors is an integer number (1592341632).

Almost surely, 2^20430344627 is an apocalyptic number.

20430344627 is a deficient number, since it is larger than the sum of its proper divisors (5047121485).

20430344627 is a wasteful number, since it uses less digits than its factorization.

20430344627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61138.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 20430344627 in words is "twenty billion, four hundred thirty million, three hundred forty-four thousand, six hundred twenty-seven".