20170000346 has 16 divisors (see below), whose sum is σ = 30432155208. Its totient is φ = 10025985600.

The previous prime is 20170000339. The next prime is 20170000349. The reversal of 20170000346 is 64300007102.

It can be written as a sum of positive squares in 4 ways, for example, as 12407509321 + 7762491025 = 111389^2 + 88105^2 .

It is not an unprimeable number, because it can be changed into a prime (20170000349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1387556 + ... + 1402016.

Almost surely, 2^20170000346 is an apocalyptic number.

20170000346 is a deficient number, since it is larger than the sum of its proper divisors (10262154862).

20170000346 is a wasteful number, since it uses less digits than its factorization.

20170000346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18497.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 20170000346 its reverse (64300007102), we get a palindrome (84470007448).

The spelling of 20170000346 in words is "twenty billion, one hundred seventy million, three hundred forty-six", and thus it is an aban number.