20430413052 has 24 divisors (see below), whose sum is σ = 54481101696. Its totient is φ = 5837260848.

The previous prime is 20430413039. The next prime is 20430413053. The reversal of 20430413052 is 25031403402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430413053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121609518 + ... + 121609685.

It is an arithmetic number, because the mean of its divisors is an integer number (2270045904).

Almost surely, 2^20430413052 is an apocalyptic number.

It is an amenable number.

20430413052 is an abundant number, since it is smaller than the sum of its proper divisors (34050688644).

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

20430413052 is a wasteful number, since it uses less digits than its factorization.

20430413052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243219217 (or 243219215 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20430413052 its reverse (25031403402), we get a palindrome (45461816454).

The spelling of 20430413052 in words is "twenty billion, four hundred thirty million, four hundred thirteen thousand, fifty-two".