20541302445 has 16 divisors (see below), whose sum is σ = 32869428480. Its totient is φ = 10954246464.

The previous prime is 20541302387. The next prime is 20541302447. The reversal of 20541302445 is 54420314502.

It is not a de Polignac number, because 20541302445 - 2¹⁰ = 20541301421 is a prime.

It is a super-2 number, since 2×20541302445² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541302447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95227 + ... + 223943.

It is an arithmetic number, because the mean of its divisors is an integer number (2054339280).

Almost surely, 2^20541302445 is an apocalyptic number.

It is an amenable number.

20541302445 is a deficient number, since it is larger than the sum of its proper divisors (12328126035).

20541302445 is a wasteful number, since it uses less digits than its factorization.

20541302445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139364.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20541302445 its reverse (54420314502), we get a palindrome (74961616947).

The spelling of 20541302445 in words is "twenty billion, five hundred forty-one million, three hundred two thousand, four hundred forty-five".