20024032616677 has 4 divisors (see below), whose sum is σ = 20565222687436. Its totient is φ = 19482842545920.

The previous prime is 20024032616617. The next prime is 20024032616723. The reversal of 20024032616677 is 77661623042002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16937496639361 + 3086535977316 = 4115519^2 + 1756854^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024032616677 - 2¹¹ = 20024032614629 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 (20024032616617) 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, 270595035324 + ... + 270595035397.

It is an arithmetic number, because the mean of its divisors is an integer number (5141305671859).

Almost surely, 2^{20024032616677} is an apocalyptic number.

It is an amenable number.

20024032616677 is a deficient number, since it is larger than the sum of its proper divisors (541190070759).

20024032616677 is an equidigital number, since it uses as much as digits as its factorization.

20024032616677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541190070758.

The product of its (nonzero) digits is 1016064, while the sum is 46.

Adding to 20024032616677 its reverse (77661623042002), we get a palindrome (97685655658679).

The spelling of 20024032616677 in words is "twenty trillion, twenty-four billion, thirty-two million, six hundred sixteen thousand, six hundred seventy-seven".