20447160333 has 12 divisors (see below), whose sum is σ = 28499761920. Its totient is φ = 13038767896.

The previous prime is 20447160319. The next prime is 20447160337. The reversal of 20447160333 is 33306174402.

It is not a de Polignac number, because 20447160333 - 2⁴ = 20447160317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20447160294 and 20447160303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20447160337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6440493 + ... + 6443666.

It is an arithmetic number, because the mean of its divisors is an integer number (2374980160).

Almost surely, 2^20447160333 is an apocalyptic number.

20447160333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20447160333 is a deficient number, since it is larger than the sum of its proper divisors (8052601587).

20447160333 is a wasteful number, since it uses less digits than its factorization.

20447160333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884208 (or 12884185 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 20447160333 in words is "twenty billion, four hundred forty-seven million, one hundred sixty thousand, three hundred thirty-three".