20430504606 has 32 divisors (see below), whose sum is σ = 41538182400. Its totient is φ = 6697776960.

The previous prime is 20430504581. The next prime is 20430504629. The reversal of 20430504606 is 60640503402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115605 + ... + 232863.

It is an arithmetic number, because the mean of its divisors is an integer number (1298068200).

Almost surely, 2^20430504606 is an apocalyptic number.

20430504606 is an abundant number, since it is smaller than the sum of its proper divisors (21107677794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430504606 is a wasteful number, since it uses less digits than its factorization.

20430504606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117744.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 20430504606 in words is "twenty billion, four hundred thirty million, five hundred four thousand, six hundred six".