2066531250 has 224 divisors, whose sum is σ = 6119921664. Its totient is φ = 455400000.

The previous prime is 2066531249. The next prime is 2066531251. The reversal of 2066531250 is 521356602.

It is an interprime number because it is at equal distance from previous prime (2066531249) and next prime (2066531251).

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

It is not an unprimeable number, because it can be changed into a prime (2066531251) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 30843717 + ... + 30843783.

Almost surely, 2^2066531250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066531250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3059960832).

2066531250 is an abundant number, since it is smaller than the sum of its proper divisors (4053390414).

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

2066531250 is an frugal number, since it uses more digits than its factorization.

2066531250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2066531250 is about 45459.1162474591. The cubic root of 2066531250 is about 1273.7396233862.

Adding to 2066531250 its reverse (521356602), we get a palindrome (2587887852).

It can be divided in two parts, 20665 and 31250, that added together give a palindrome (51915).

The spelling of 2066531250 in words is "two billion, sixty-six million, five hundred thirty-one thousand, two hundred fifty".