20089662 has 16 divisors (see below), whose sum is σ = 40227840. Its totient is φ = 6688472.

The previous prime is 20089661. The next prime is 20089687. The reversal of 20089662 is 26698002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5539 + ... + 8417.

It is an arithmetic number, because the mean of its divisors is an integer number (2514240).

Almost surely, 2^20089662 is an apocalyptic number.

20089662 is an abundant number, since it is smaller than the sum of its proper divisors (20138178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20089662 is a wasteful number, since it uses less digits than its factorization.

20089662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20089662 is about 4482.1492612362. The cubic root of 20089662 is about 271.8467905201.

The spelling of 20089662 in words is "twenty million, eighty-nine thousand, six hundred sixty-two".