20400320230 has 8 divisors (see below), whose sum is σ = 36720576432. Its totient is φ = 8160128088.

The previous prime is 20400320203. The next prime is 20400320287. The reversal of 20400320230 is 3202300402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020016002 + ... + 1020016021.

It is an arithmetic number, because the mean of its divisors is an integer number (4590072054).

Almost surely, 2^20400320230 is an apocalyptic number.

20400320230 is a deficient number, since it is larger than the sum of its proper divisors (16320256202).

20400320230 is a wasteful number, since it uses less digits than its factorization.

20400320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040032030.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20400320230 its reverse (3202300402), we get a palindrome (23602620632).

The spelling of 20400320230 in words is "twenty billion, four hundred million, three hundred twenty thousand, two hundred thirty".