20346461450164 has 12 divisors (see below), whose sum is σ = 35616245131264. Its totient is φ = 10170391412664.

The previous prime is 20346461450131. The next prime is 20346461450167. The reversal of 20346461450164 is 46105416464302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346461450167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709811982 + ... + 709840645.

Almost surely, 2^{20346461450164} is an apocalyptic number.

It is an amenable number.

20346461450164 is a deficient number, since it is larger than the sum of its proper divisors (15269783681100).

20346461450164 is a wasteful number, since it uses less digits than its factorization.

20346461450164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419656214 (or 1419656212 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 20346461450164 in words is "twenty trillion, three hundred forty-six billion, four hundred sixty-one million, four hundred fifty thousand, one hundred sixty-four".