20226672163 has 4 divisors (see below), whose sum is σ = 20227297608. Its totient is φ = 20226046720.

The previous prime is 20226672161. The next prime is 20226672209. The reversal of 20226672163 is 36127662202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20226672163 - 2¹ = 20226672161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20226672161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261406 + ... + 329827.

It is an arithmetic number, because the mean of its divisors is an integer number (5056824402).

Almost surely, 2^20226672163 is an apocalyptic number.

20226672163 is a deficient number, since it is larger than the sum of its proper divisors (625445).

20226672163 is an equidigital number, since it uses as much as digits as its factorization.

20226672163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625444.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20226672163 in words is "twenty billion, two hundred twenty-six million, six hundred seventy-two thousand, one hundred sixty-three".