20603044346 has 16 divisors (see below), whose sum is σ = 30954479400. Its totient is φ = 10284899328.

The previous prime is 20603044313. The next prime is 20603044349. The reversal of 20603044346 is 64344030602.

It can be written as a sum of positive squares in 4 ways, for example, as 14911096321 + 5691948025 = 122111^2 + 75445^2 .

It is not an unprimeable number, because it can be changed into a prime (20603044349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418790 + ... + 6421998.

Almost surely, 2^20603044346 is an apocalyptic number.

20603044346 is a deficient number, since it is larger than the sum of its proper divisors (10351435054).

20603044346 is a wasteful number, since it uses less digits than its factorization.

20603044346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20603044346 its reverse (64344030602), we get a palindrome (84947074948).

The spelling of 20603044346 in words is "twenty billion, six hundred three million, forty-four thousand, three hundred forty-six".