20315456422266 has 64 divisors (see below), whose sum is σ = 41380479369216. Its totient is φ = 6647742057600.

The previous prime is 20315456422259. The next prime is 20315456422309. The reversal of 20315456422266 is 66222465451302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191933790 + ... + 192039606.

It is an arithmetic number, because the mean of its divisors is an integer number (646569990144).

Almost surely, 2^{20315456422266} is an apocalyptic number.

20315456422266 is an abundant number, since it is smaller than the sum of its proper divisors (21065022946950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20315456422266 is a wasteful number, since it uses less digits than its factorization.

20315456422266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107827.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 20315456422266 in words is "twenty trillion, three hundred fifteen billion, four hundred fifty-six million, four hundred twenty-two thousand, two hundred sixty-six".