20346333403366 has 4 divisors (see below), whose sum is σ = 30519500105052. Its totient is φ = 10173166701682.

The previous prime is 20346333403337. The next prime is 20346333403411. The reversal of 20346333403366 is 66330433364302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086583350840 + ... + 5086583350843.

It is an arithmetic number, because the mean of its divisors is an integer number (7629875026263).

Almost surely, 2^{20346333403366} is an apocalyptic number.

20346333403366 is a deficient number, since it is larger than the sum of its proper divisors (10173166701686).

20346333403366 is a wasteful number, since it uses less digits than its factorization.

20346333403366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173166701685.

The product of its (nonzero) digits is 5038848, while the sum is 46.

Adding to 20346333403366 its reverse (66330433364302), we get a palindrome (86676766767668).

The spelling of 20346333403366 in words is "twenty trillion, three hundred forty-six billion, three hundred thirty-three million, four hundred three thousand, three hundred sixty-six".