20430839036 has 6 divisors (see below), whose sum is σ = 35753968320. Its totient is φ = 10215419516.

The previous prime is 20430838963. The next prime is 20430839053. The reversal of 20430839036 is 63093803402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553854876 + ... + 2553854883.

It is an arithmetic number, because the mean of its divisors is an integer number (5958994720).

Almost surely, 2^20430839036 is an apocalyptic number.

It is an amenable number.

20430839036 is a deficient number, since it is larger than the sum of its proper divisors (15323129284).

20430839036 is a wasteful number, since it uses less digits than its factorization.

20430839036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107709763 (or 5107709761 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 20430839036 in words is "twenty billion, four hundred thirty million, eight hundred thirty-nine thousand, thirty-six".