20213383407346 has 8 divisors (see below), whose sum is σ = 31139536600620. Its totient is φ = 9833537873808.

The previous prime is 20213383407293. The next prime is 20213383407367. The reversal of 20213383407346 is 64370438331202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15922581876721 + 4290801530625 = 3990311^2 + 2071425^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20213383407296 and 20213383407305.

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, 136576914841 + ... + 136576914988.

Almost surely, 2^{20213383407346} is an apocalyptic number.

20213383407346 is a deficient number, since it is larger than the sum of its proper divisors (10926153193274).

20213383407346 is a wasteful number, since it uses less digits than its factorization.

20213383407346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273153829868.

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 20213383407346 in words is "twenty trillion, two hundred thirteen billion, three hundred eighty-three million, four hundred seven thousand, three hundred forty-six".