20430816348 has 24 divisors (see below), whose sum is σ = 47740913920. Its totient is φ = 6800413680.

The previous prime is 20430816323. The next prime is 20430816379. The reversal of 20430816348 is 84361803402.

It is a happy 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, 1223668 + ... + 1240251.

Almost surely, 2^20430816348 is an apocalyptic number.

It is an amenable number.

20430816348 is an abundant number, since it is smaller than the sum of its proper divisors (27310097572).

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

20430816348 is a wasteful number, since it uses less digits than its factorization.

20430816348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464617 (or 2464615 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20430816348 in words is "twenty billion, four hundred thirty million, eight hundred sixteen thousand, three hundred forty-eight".