20117562603753 has 32 divisors (see below), whose sum is σ = 27542558615040. Its totient is φ = 13056475011840.

The previous prime is 20117562603713. The next prime is 20117562603793. The reversal of 20117562603753 is 35730626571102.

It is an interprime number because it is at equal distance from previous prime (20117562603713) and next prime (20117562603793).

It is not a de Polignac number, because 20117562603753 - 2²⁰ = 20117561555177 is a prime.

It is a super-3 number, since 3×20117562603753³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20117562603713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9725568 + ... + 11611278.

It is an arithmetic number, because the mean of its divisors is an integer number (860704956720).

Almost surely, 2^{20117562603753} is an apocalyptic number.

It is an amenable number.

20117562603753 is a deficient number, since it is larger than the sum of its proper divisors (7424996011287).

20117562603753 is a wasteful number, since it uses less digits than its factorization.

20117562603753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886289.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 20117562603753 in words is "twenty trillion, one hundred seventeen billion, five hundred sixty-two million, six hundred three thousand, seven hundred fifty-three".