20013773240615 has 32 divisors (see below), whose sum is σ = 29994578187264. Its totient is φ = 12454495856640.

The previous prime is 20013773240581. The next prime is 20013773240621. The reversal of 20013773240615 is 51604237731002.

It is a happy number.

It is not a de Polignac number, because 20013773240615 - 2⁴⁴ = 2421587196199 is a prime.

It is a super-2 number, since 2×20013773240615² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44824499 + ... + 45268788.

It is an arithmetic number, because the mean of its divisors is an integer number (937330568352).

Almost surely, 2^{20013773240615} is an apocalyptic number.

20013773240615 is a deficient number, since it is larger than the sum of its proper divisors (9980804946649).

20013773240615 is a wasteful number, since it uses less digits than its factorization.

20013773240615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90093887.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 20013773240615 in words is "twenty trillion, thirteen billion, seven hundred seventy-three million, two hundred forty thousand, six hundred fifteen".