20082574369 has 27 divisors (see below), whose sum is σ = 23927013747. Its totient is φ = 16835504400.

The previous prime is 20082574319. The next prime is 20082574409. The reversal of 20082574369 is 96347528002.

The square root of 20082574369 is 141713.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2970795025 + 17111779344 = 54505^2 + 130812^2 .

It is not a de Polignac number, because 20082574369 - 2⁷ = 20082574241 is a prime.

It is a super-2 number, since 2×20082574369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20082574319) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 20264464 + ... + 20265454.

Almost surely, 2^20082574369 is an apocalyptic number.

20082574369 is the 141713-rd square number.

20082574369 is the 70857-th centered octagonal number.

It is an amenable number.

20082574369 is a deficient number, since it is larger than the sum of its proper divisors (3844439378).

20082574369 is an frugal number, since it uses more digits than its factorization.

20082574369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 20082574369 in words is "twenty billion, eighty-two million, five hundred seventy-four thousand, three hundred sixty-nine".