20676662 has 4 divisors (see below), whose sum is σ = 31014996. Its totient is φ = 10338330.

The previous prime is 20676661. The next prime is 20676671. The reversal of 20676662 is 26667602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5169164 + ... + 5169167.

It is an arithmetic number, because the mean of its divisors is an integer number (7753749).

Almost surely, 2^20676662 is an apocalyptic number.

20676662 is a deficient number, since it is larger than the sum of its proper divisors (10338334).

20676662 is a wasteful number, since it uses less digits than its factorization.

20676662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338333.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 20676662 is about 4547.1597728692. The cubic root of 20676662 is about 274.4691113138.

The spelling of 20676662 in words is "twenty million, six hundred seventy-six thousand, six hundred sixty-two".