20310354352406 has 8 divisors (see below), whose sum is σ = 30528089089680. Its totient is φ = 10134324655848.

The previous prime is 20310354352381. The next prime is 20310354352439. The reversal of 20310354352406 is 60425345301302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20310354352406.

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, 10426258961 + ... + 10426260908.

It is an arithmetic number, because the mean of its divisors is an integer number (3816011136210).

Almost surely, 2^{20310354352406} is an apocalyptic number.

20310354352406 is a deficient number, since it is larger than the sum of its proper divisors (10217734737274).

20310354352406 is a wasteful number, since it uses less digits than its factorization.

20310354352406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20852520358.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 20310354352406 its reverse (60425345301302), we get a palindrome (80735699653708).

The spelling of 20310354352406 in words is "twenty trillion, three hundred ten billion, three hundred fifty-four million, three hundred fifty-two thousand, four hundred six".