20524300045 has 16 divisors (see below), whose sum is σ = 25964587008. Its totient is φ = 15551694720.

The previous prime is 20524300019. The next prime is 20524300091. The reversal of 20524300045 is 54000342502.

It is a de Polignac number, because none of the positive numbers 2^k-20524300045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20524299992 and 20524300019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401384 + ... + 1415953.

It is an arithmetic number, because the mean of its divisors is an integer number (1622786688).

Almost surely, 2^20524300045 is an apocalyptic number.

It is an amenable number.

20524300045 is a deficient number, since it is larger than the sum of its proper divisors (5440286963).

20524300045 is a wasteful number, since it uses less digits than its factorization.

20524300045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817420.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20524300045 its reverse (54000342502), we get a palindrome (74524642547).

The spelling of 20524300045 in words is "twenty billion, five hundred twenty-four million, three hundred thousand, forty-five".