20230430004 has 36 divisors (see below), whose sum is σ = 51157265796. Its totient is φ = 6740940288.

The previous prime is 20230429979. The next prime is 20230430009. The reversal of 20230430004 is 40003403202.

20230430004 is a `hidden beast` number, since 2 + 0 + 230 + 430 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4568408100 + 15662021904 = 67590^2 + 125148^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230430009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7389 + ... + 201284.

It is an arithmetic number, because the mean of its divisors is an integer number (1421035161).

Almost surely, 2^20230430004 is an apocalyptic number.

It is an amenable number.

20230430004 is an abundant number, since it is smaller than the sum of its proper divisors (30926835792).

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

20230430004 is a wasteful number, since it uses less digits than its factorization.

20230430004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211376 (or 211371 counting only the distinct ones).

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

Adding to 20230430004 its reverse (40003403202), we get a palindrome (60233833206).

The spelling of 20230430004 in words is "twenty billion, two hundred thirty million, four hundred thirty thousand, four".