20300430402 has 36 divisors (see below), whose sum is σ = 51165372726. Its totient is φ = 5800122720.

The previous prime is 20300430377. The next prime is 20300430413. The reversal of 20300430402 is 20403400302.

It can be written as a sum of positive squares in only one way, i.e., 10809968841 + 9490461561 = 103971^2 + 97419^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11507299 + ... + 11509062.

Almost surely, 2^20300430402 is an apocalyptic number.

20300430402 is an abundant number, since it is smaller than the sum of its proper divisors (30864942324).

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

20300430402 is a wasteful number, since it uses less digits than its factorization.

20300430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016383 (or 23016373 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20300430402 its reverse (20403400302), we get a palindrome (40703830704).

The spelling of 20300430402 in words is "twenty billion, three hundred million, four hundred thirty thousand, four hundred two".