20346416266 has 64 divisors (see below), whose sum is σ = 35744716800. Its totient is φ = 8588808000.

The previous prime is 20346416249. The next prime is 20346416273. The reversal of 20346416266 is 66261464302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4346115 + ... + 4350793.

It is an arithmetic number, because the mean of its divisors is an integer number (558511200).

Almost surely, 2^20346416266 is an apocalyptic number.

20346416266 is a deficient number, since it is larger than the sum of its proper divisors (15398300534).

20346416266 is a wasteful number, since it uses less digits than its factorization.

20346416266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 20346416266 in words is "twenty billion, three hundred forty-six million, four hundred sixteen thousand, two hundred sixty-six".