20069010 has 96 divisors (see below), whose sum is σ = 59557680. Its totient is φ = 4644864.

The previous prime is 20068999. The next prime is 20069017. The reversal of 20069010 is 1096002.

It can be written as a sum of positive squares in 8 ways, for example, as 5803281 + 14265729 = 2409^2 + 3777^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20069017) 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 47 ways as a sum of consecutive naturals, for example, 19386 + ... + 20394.

Almost surely, 2^20069010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20069010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29778840).

20069010 is an abundant number, since it is smaller than the sum of its proper divisors (39488670).

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

20069010 is a wasteful number, since it uses less digits than its factorization.

20069010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20069010 is about 4479.8448633853. The cubic root of 20069010 is about 271.7536065267.

The spelling of 20069010 in words is "twenty million, sixty-nine thousand, ten".