20117630723103 has 256 divisors, whose sum is σ = 33009500160000. Its totient is φ = 12067499283840.

The previous prime is 20117630723089. The next prime is 20117630723117. The reversal of 20117630723103 is 30132703671102.

20117630723103 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 7 + 630 + 7 + 2 + 3 + 10 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20117630723089) and next prime (20117630723117).

It is not a de Polignac number, because 20117630723103 - 2¹⁶ = 20117630657567 is a prime.

It is a super-2 number, since 2×20117630723103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117630728103) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27672118926 + ... + 27672119652.

It is an arithmetic number, because the mean of its divisors is an integer number (128943360000).

Almost surely, 2^{20117630723103} is an apocalyptic number.

20117630723103 is a deficient number, since it is larger than the sum of its proper divisors (12891869436897).

20117630723103 is a wasteful number, since it uses less digits than its factorization.

20117630723103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 20117630723103 in words is "twenty trillion, one hundred seventeen billion, six hundred thirty million, seven hundred twenty-three thousand, one hundred three".