20430715132 has 12 divisors (see below), whose sum is σ = 35776784736. Its totient is φ = 10208776640.

The previous prime is 20430715127. The next prime is 20430715139. The reversal of 20430715132 is 23151703402.

It is a self number, because there is not a number n which added to its sum of digits gives 20430715132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430715139) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1638244 + ... + 1650667.

It is an arithmetic number, because the mean of its divisors is an integer number (2981398728).

Almost surely, 2^20430715132 is an apocalyptic number.

It is an amenable number.

20430715132 is a deficient number, since it is larger than the sum of its proper divisors (15346069604).

20430715132 is a wasteful number, since it uses less digits than its factorization.

20430715132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290468 (or 3290466 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20430715132 in words is "twenty billion, four hundred thirty million, seven hundred fifteen thousand, one hundred thirty-two".