1066020224 has 64 divisors (see below), whose sum is σ = 2301132240. Its totient is φ = 489947136.

The previous prime is 1066020167. The next prime is 1066020227. The reversal of 1066020224 is 4220206601.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1066020224² = 2272798235954020352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066020224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066020227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87872 + ... + 99264.

Almost surely, 2^1066020224 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 1066020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150566120).

1066020224 is an abundant number, since it is smaller than the sum of its proper divisors (1235112016).

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

1066020224 is a wasteful number, since it uses less digits than its factorization.

1066020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467 (or 11455 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1066020224 is about 32649.9651454638. The cubic root of 1066020224 is about 1021.5394618501.

Adding to 1066020224 its reverse (4220206601), we get a palindrome (5286226825).

The spelling of 1066020224 in words is "one billion, sixty-six million, twenty thousand, two hundred twenty-four".