20346333453345 has 16 divisors (see below), whose sum is σ = 32554272589632. Its totient is φ = 10851331487040.

The previous prime is 20346333453311. The next prime is 20346333453461. The reversal of 20346333453345 is 54335433364302.

It is a happy number.

It is not a de Polignac number, because 20346333453345 - 2¹² = 20346333449249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20346333453294 and 20346333453303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891075 + ... + 6441015.

It is an arithmetic number, because the mean of its divisors is an integer number (2034642036852).

Almost surely, 2^{20346333453345} is an apocalyptic number.

It is an amenable number.

20346333453345 is a deficient number, since it is larger than the sum of its proper divisors (12207939136287).

20346333453345 is a wasteful number, since it uses less digits than its factorization.

20346333453345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794352.

The product of its (nonzero) digits is 13996800, while the sum is 48.

The spelling of 20346333453345 in words is "twenty trillion, three hundred forty-six billion, three hundred thirty-three million, four hundred fifty-three thousand, three hundred forty-five".