20069112 has 64 divisors (see below), whose sum is σ = 60721920. Its totient is φ = 5395968.

The previous prime is 20069107. The next prime is 20069123. The reversal of 20069112 is 21196002.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 658 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (948780).

Almost surely, 2^20069112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20069112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30360960).

20069112 is an abundant number, since it is smaller than the sum of its proper divisors (40652808).

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

20069112 is a wasteful number, since it uses less digits than its factorization.

20069112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 20069112 is about 4479.8562476937. The cubic root of 20069112 is about 271.7540669184.

The spelling of 20069112 in words is "twenty million, sixty-nine thousand, one hundred twelve".