20676502 has 16 divisors (see below), whose sum is σ = 38668032. Its totient is φ = 8055720.

The previous prime is 20676497. The next prime is 20676511. The reversal of 20676502 is 20567602.

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 7 ways as a sum of consecutive naturals, for example, 66978 + ... + 67285.

It is an arithmetic number, because the mean of its divisors is an integer number (2416752).

Almost surely, 2^20676502 is an apocalyptic number.

20676502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20676502 is a deficient number, since it is larger than the sum of its proper divisors (17991530).

20676502 is a wasteful number, since it uses less digits than its factorization.

20676502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134283.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20676502 is about 4547.1421794353. The cubic root of 20676502 is about 274.4684033470.

Subtracting from 20676502 its reverse (20567602), we obtain a square (108900 = 330²).

The spelling of 20676502 in words is "twenty million, six hundred seventy-six thousand, five hundred two".