20416495 has 16 divisors (see below), whose sum is σ = 26860320. Its totient is φ = 14774400.

The previous prime is 20416457. The next prime is 20416549. The reversal of 20416495 is 59461402.

It is not a de Polignac number, because 20416495 - 2⁷ = 20416367 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (1678770).

Almost surely, 2^20416495 is an apocalyptic number.

20416495 is a deficient number, since it is larger than the sum of its proper divisors (6443825).

20416495 is a wasteful number, since it uses less digits than its factorization.

20416495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20416495 is about 4518.4615744742. The cubic root of 20416495 is about 273.3130669421.

Adding to 20416495 its reverse (59461402), we get a palindrome (79877897).

The spelling of 20416495 in words is "twenty million, four hundred sixteen thousand, four hundred ninety-five".