20243031045 has 8 divisors (see below), whose sum is σ = 32388849696. Its totient is φ = 10796283216.

The previous prime is 20243031001. The next prime is 20243031049. The reversal of 20243031045 is 54013034202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20243031045 - 2¹¹ = 20243028997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243031049) 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 7 ways as a sum of consecutive naturals, for example, 674767687 + ... + 674767716.

It is an arithmetic number, because the mean of its divisors is an integer number (4048606212).

Almost surely, 2^20243031045 is an apocalyptic number.

It is an amenable number.

20243031045 is a deficient number, since it is larger than the sum of its proper divisors (12145818651).

20243031045 is a wasteful number, since it uses less digits than its factorization.

20243031045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349535411.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20243031045 its reverse (54013034202), we get a palindrome (74256065247).

The spelling of 20243031045 in words is "twenty billion, two hundred forty-three million, thirty-one thousand, forty-five".