20160494 has 4 divisors (see below), whose sum is σ = 30240744. Its totient is φ = 10080246.

The previous prime is 20160461. The next prime is 20160529. The reversal of 20160494 is 49406102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49406102 = 2 ⋅24703051.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5040122 + ... + 5040125.

It is an arithmetic number, because the mean of its divisors is an integer number (7560186).

Almost surely, 2^20160494 is an apocalyptic number.

20160494 is a deficient number, since it is larger than the sum of its proper divisors (10080250).

20160494 is a wasteful number, since it uses less digits than its factorization.

20160494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080249.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20160494 is about 4490.0438750640. The cubic root of 20160494 is about 272.1659076501.

Adding to 20160494 its reverse (49406102), we get a palindrome (69566596).

The spelling of 20160494 in words is "twenty million, one hundred sixty thousand, four hundred ninety-four".