20030434130 has 96 divisors (see below), whose sum is σ = 42517595952. Its totient is φ = 6773760000.

The previous prime is 20030434117. The next prime is 20030434141. The reversal of 20030434130 is 3143403002.

It can be written as a sum of positive squares in 8 ways, for example, as 4867713361 + 15162720769 = 69769^2 + 123137^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16677530 + ... + 16678730.

Almost surely, 2^20030434130 is an apocalyptic number.

20030434130 is an abundant number, since it is smaller than the sum of its proper divisors (22487161822).

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

20030434130 is a wasteful number, since it uses less digits than its factorization.

20030434130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20030434130 its reverse (3143403002), we get a palindrome (23173837132).

The spelling of 20030434130 in words is "twenty billion, thirty million, four hundred thirty-four thousand, one hundred thirty".