20091676 has 24 divisors (see below), whose sum is σ = 38586240. Its totient is φ = 9078000.

The previous prime is 20091667. The next prime is 20091677. The reversal of 20091676 is 67619002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20091677) 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 in 7 ways as a sum of consecutive naturals, for example, 6601 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (1607760).

Almost surely, 2^20091676 is an apocalyptic number.

It is an amenable number.

20091676 is a deficient number, since it is larger than the sum of its proper divisors (18494564).

20091676 is a wasteful number, since it uses less digits than its factorization.

20091676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 20091676 is about 4482.3739246074. The cubic root of 20091676 is about 271.8558744815.

The spelling of 20091676 in words is "twenty million, ninety-one thousand, six hundred seventy-six".