20447160334 has 16 divisors (see below), whose sum is σ = 31424040720. Its totient is φ = 9974635840.

The previous prime is 20447160319. The next prime is 20447160337. The reversal of 20447160334 is 43306174402.

It is a self number, because there is not a number n which added to its sum of digits gives 20447160334.

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 7 ways as a sum of consecutive naturals, for example, 519847 + ... + 557794.

It is an arithmetic number, because the mean of its divisors is an integer number (1964002545).

Almost surely, 2^20447160334 is an apocalyptic number.

20447160334 is a deficient number, since it is larger than the sum of its proper divisors (10976880386).

20447160334 is a wasteful number, since it uses less digits than its factorization.

20447160334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077875.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 20447160334 in words is "twenty billion, four hundred forty-seven million, one hundred sixty thousand, three hundred thirty-four".