20237224063 has 4 divisors (see below), whose sum is σ = 23128256080. Its totient is φ = 17346192048.

The previous prime is 20237224039. The next prime is 20237224081. The reversal of 20237224063 is 36042273202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20237224063 - 2¹⁷ = 20237092991 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 (20237224013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445515998 + ... + 1445516011.

It is an arithmetic number, because the mean of its divisors is an integer number (5782064020).

Almost surely, 2^20237224063 is an apocalyptic number.

20237224063 is a deficient number, since it is larger than the sum of its proper divisors (2891032017).

20237224063 is an equidigital number, since it uses as much as digits as its factorization.

20237224063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891032016.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 20237224063 its reverse (36042273202), we get a palindrome (56279497265).

The spelling of 20237224063 in words is "twenty billion, two hundred thirty-seven million, two hundred twenty-four thousand, sixty-three".