20534252445 has 24 divisors (see below), whose sum is σ = 40677376896. Its totient is φ = 9387086688.

The previous prime is 20534252423. The next prime is 20534252449. The reversal of 20534252445 is 54425243502.

20534252445 is a `hidden beast` number, since 2 + 0 + 53 + 42 + 524 + 45 = 666.

It is not a de Polignac number, because 20534252445 - 2¹⁰ = 20534251421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534252449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32593737 + ... + 32594366.

It is an arithmetic number, because the mean of its divisors is an integer number (1694890704).

Almost surely, 2^20534252445 is an apocalyptic number.

It is an amenable number.

20534252445 is a deficient number, since it is larger than the sum of its proper divisors (20143124451).

20534252445 is a wasteful number, since it uses less digits than its factorization.

20534252445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65188121 (or 65188118 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 20534252445 its reverse (54425243502), we get a palindrome (74959495947).

The spelling of 20534252445 in words is "twenty billion, five hundred thirty-four million, two hundred fifty-two thousand, four hundred forty-five".