20230550450513 has 8 divisors (see below), whose sum is σ = 21792736996968. Its totient is φ = 18669219669504.

The previous prime is 20230550450449. The next prime is 20230550450527. The reversal of 20230550450513 is 31505405503202.

It can be written as a sum of positive squares in 4 ways, for example, as 506897009089 + 19723653441424 = 711967^2 + 4441132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20230550450513 - 2⁶ = 20230550450449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20230550450533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213892256 + ... + 213986817.

It is an arithmetic number, because the mean of its divisors is an integer number (2724092124621).

Almost surely, 2^{20230550450513} is an apocalyptic number.

It is an amenable number.

20230550450513 is a deficient number, since it is larger than the sum of its proper divisors (1562186546455).

20230550450513 is a wasteful number, since it uses less digits than its factorization.

20230550450513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427882723.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 20230550450513 its reverse (31505405503202), we get a palindrome (51735955953715).

The spelling of 20230550450513 in words is "twenty trillion, two hundred thirty billion, five hundred fifty million, four hundred fifty thousand, five hundred thirteen".