20137650145215 has 16 divisors (see below), whose sum is σ = 32220343923936. Its totient is φ = 10740045513600.

The previous prime is 20137650145139. The next prime is 20137650145297. The reversal of 20137650145215 is 51254105673102.

It is not a de Polignac number, because 20137650145215 - 2¹⁰ = 20137650144191 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, 3063585 + ... + 7047045.

It is an arithmetic number, because the mean of its divisors is an integer number (2013771495246).

Almost surely, 2^{20137650145215} is an apocalyptic number.

20137650145215 is a deficient number, since it is larger than the sum of its proper divisors (12082693778721).

20137650145215 is a wasteful number, since it uses less digits than its factorization.

20137650145215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320490.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 20137650145215 in words is "twenty trillion, one hundred thirty-seven billion, six hundred fifty million, one hundred forty-five thousand, two hundred fifteen".