20510244233205 has 16 divisors (see below), whose sum is σ = 33947990455680. Its totient is φ = 10561597030208.

The previous prime is 20510244233119. The next prime is 20510244233243. The reversal of 20510244233205 is 50233244201502.

It is a cyclic number.

It is not a de Polignac number, because 20510244233205 - 2¹² = 20510244229109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23574992937 + ... + 23574993806.

It is an arithmetic number, because the mean of its divisors is an integer number (2121749403480).

Almost surely, 2^{20510244233205} is an apocalyptic number.

It is an amenable number.

20510244233205 is a deficient number, since it is larger than the sum of its proper divisors (13437746222475).

20510244233205 is a wasteful number, since it uses less digits than its factorization.

20510244233205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47149986780.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20510244233205 its reverse (50233244201502), we get a palindrome (70743488434707).

The spelling of 20510244233205 in words is "twenty trillion, five hundred ten billion, two hundred forty-four million, two hundred thirty-three thousand, two hundred five".