20069662 has 16 divisors (see below), whose sum is σ = 33068160. Its totient is φ = 9092952.

The previous prime is 20069657. The next prime is 20069689. The reversal of 20069662 is 26696002.

It is a congruent number.

It is an unprimeable number.

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, 10608 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (2066760).

Almost surely, 2^20069662 is an apocalyptic number.

20069662 is a deficient number, since it is larger than the sum of its proper divisors (12998498).

20069662 is a wasteful number, since it uses less digits than its factorization.

20069662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 20069662 is about 4479.9176331714. The cubic root of 20069662 is about 271.7565493962.

The spelling of 20069662 in words is "twenty million, sixty-nine thousand, six hundred sixty-two".