20316146344406 has 16 divisors (see below), whose sum is σ = 33573757598928. Its totient is φ = 9143180172000.

The previous prime is 20316146344399. The next prime is 20316146344433. The reversal of 20316146344406 is 60444364161302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571587865 + ... + 4571592308.

It is an arithmetic number, because the mean of its divisors is an integer number (2098359849933).

Almost surely, 2^{20316146344406} is an apocalyptic number.

20316146344406 is a deficient number, since it is larger than the sum of its proper divisors (13257611254522).

20316146344406 is a wasteful number, since it uses less digits than its factorization.

20316146344406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143180287.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 20316146344406 in words is "twenty trillion, three hundred sixteen billion, one hundred forty-six million, three hundred forty-four thousand, four hundred six".