20430347552 has 48 divisors (see below), whose sum is σ = 40407413760. Its totient is φ = 10168265472.

The previous prime is 20430347549. The next prime is 20430347629. The reversal of 20430347552 is 25574303402.

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, 7585118 + ... + 7587810.

It is an arithmetic number, because the mean of its divisors is an integer number (841821120).

Almost surely, 2^20430347552 is an apocalyptic number.

It is an amenable number.

20430347552 is a deficient number, since it is larger than the sum of its proper divisors (19977066208).

20430347552 is a wasteful number, since it uses less digits than its factorization.

20430347552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 35.

The spelling of 20430347552 in words is "twenty billion, four hundred thirty million, three hundred forty-seven thousand, five hundred fifty-two".