20273083459 has 4 divisors (see below), whose sum is σ = 20469909616. Its totient is φ = 20076257304.

The previous prime is 20273083427. The next prime is 20273083471. The reversal of 20273083459 is 95438037202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20273083459 - 2⁵ = 20273083427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20273083489) 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 3 ways as a sum of consecutive naturals, for example, 98412924 + ... + 98413129.

It is an arithmetic number, because the mean of its divisors is an integer number (5117477404).

Almost surely, 2^20273083459 is an apocalyptic number.

20273083459 is a deficient number, since it is larger than the sum of its proper divisors (196826157).

20273083459 is a wasteful number, since it uses less digits than its factorization.

20273083459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196826156.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20273083459 in words is "twenty billion, two hundred seventy-three million, eighty-three thousand, four hundred fifty-nine".