20089682 has 16 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 9311808.

The previous prime is 20089661. The next prime is 20089687. The reversal of 20089682 is 28698002.

It is a super-2 number, since 2×20089682² = 807190645722248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20089687) 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, 2132 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (2024190).

Almost surely, 2^20089682 is an apocalyptic number.

20089682 is a deficient number, since it is larger than the sum of its proper divisors (12297358).

20089682 is a wasteful number, since it uses less digits than its factorization.

20089682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 20089682 is about 4482.1514923081. The cubic root of 20089682 is about 271.8468807312.

The spelling of 20089682 in words is "twenty million, eighty-nine thousand, six hundred eighty-two".