20045210224247 has 16 divisors (see below), whose sum is σ = 22860304316640. Its totient is φ = 17412311826432.

The previous prime is 20045210224211. The next prime is 20045210224253. The reversal of 20045210224247 is 74242201254002.

It is a cyclic number.

It is not a de Polignac number, because 20045210224247 - 2³⁸ = 19770332317303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045210224447) 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, 5067722 + ... + 8110007.

It is an arithmetic number, because the mean of its divisors is an integer number (1428769019790).

Almost surely, 2^{20045210224247} is an apocalyptic number.

20045210224247 is a deficient number, since it is larger than the sum of its proper divisors (2815094092393).

20045210224247 is a wasteful number, since it uses less digits than its factorization.

20045210224247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13184642.

The product of its (nonzero) digits is 71680, while the sum is 35.

Adding to 20045210224247 its reverse (74242201254002), we get a palindrome (94287411478249).

The spelling of 20045210224247 in words is "twenty trillion, forty-five billion, two hundred ten million, two hundred twenty-four thousand, two hundred forty-seven".