20310330406 has 8 divisors (see below), whose sum is σ = 32257583640. Its totient is φ = 9557802528.

The previous prime is 20310330377. The next prime is 20310330437. The reversal of 20310330406 is 60403301302.

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, 298681296 + ... + 298681363.

It is an arithmetic number, because the mean of its divisors is an integer number (4032197955).

Almost surely, 2^20310330406 is an apocalyptic number.

20310330406 is a deficient number, since it is larger than the sum of its proper divisors (11947253234).

20310330406 is a wasteful number, since it uses less digits than its factorization.

20310330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597362678.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20310330406 its reverse (60403301302), we get a palindrome (80713631708).

The spelling of 20310330406 in words is "twenty billion, three hundred ten million, three hundred thirty thousand, four hundred six".