20040034230 has 40 divisors (see below), whose sum is σ = 53885427552. Its totient is φ = 5344008912.

The previous prime is 20040034219. The next prime is 20040034237. The reversal of 20040034230 is 3243004002.

20040034230 is a `hidden beast` number, since 2 + 0 + 0 + 400 + 34 + 230 = 666.

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 (20040034237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12369582 + ... + 12371201.

Almost surely, 2^20040034230 is an apocalyptic number.

20040034230 is an abundant number, since it is smaller than the sum of its proper divisors (33845393322).

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

20040034230 is a wasteful number, since it uses less digits than its factorization.

20040034230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740802 (or 24740793 counting only the distinct ones).

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

Adding to 20040034230 its reverse (3243004002), we get a palindrome (23283038232).

The spelling of 20040034230 in words is "twenty billion, forty million, thirty-four thousand, two hundred thirty".