2066242530 has 64 divisors (see below), whose sum is σ = 5433827328. Its totient is φ = 498682560.

The previous prime is 2066242523. The next prime is 2066242567. The reversal of 2066242530 is 352426602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61119 + ... + 88701.

It is an arithmetic number, because the mean of its divisors is an integer number (84903552).

Almost surely, 2^2066242530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066242530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716913664).

2066242530 is an abundant number, since it is smaller than the sum of its proper divisors (3367584798).

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

2066242530 is a wasteful number, since it uses less digits than its factorization.

2066242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27831.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2066242530 is about 45455.9405358640. The cubic root of 2066242530 is about 1273.6803015585.

The spelling of 2066242530 in words is "two billion, sixty-six million, two hundred forty-two thousand, five hundred thirty".