20410516250239 has 4 divisors (see below), whose sum is σ = 21484753947640. Its totient is φ = 19336278552840.

The previous prime is 20410516250237. The next prime is 20410516250251. The reversal of 20410516250239 is 93205261501402.

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 20410516250239 - 2¹ = 20410516250237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410516250237) 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, 537118848672 + ... + 537118848709.

It is an arithmetic number, because the mean of its divisors is an integer number (5371188486910).

Almost surely, 2^{20410516250239} is an apocalyptic number.

20410516250239 is a deficient number, since it is larger than the sum of its proper divisors (1074237697401).

20410516250239 is a wasteful number, since it uses less digits than its factorization.

20410516250239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074237697400.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 20410516250239 in words is "twenty trillion, four hundred ten billion, five hundred sixteen million, two hundred fifty thousand, two hundred thirty-nine".