20101115318 has 8 divisors (see below), whose sum is σ = 30428294160. Its totient is φ = 9958350600.

The previous prime is 20101115311. The next prime is 20101115329. The reversal of 20101115318 is 81351110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20101115318² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101115293 and 20101115302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101115311) 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, 46103258 + ... + 46103693.

It is an arithmetic number, because the mean of its divisors is an integer number (3803536770).

Almost surely, 2^20101115318 is an apocalyptic number.

20101115318 is a deficient number, since it is larger than the sum of its proper divisors (10327178842).

20101115318 is a wasteful number, since it uses less digits than its factorization.

20101115318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92207062.

The product of its (nonzero) digits is 240, while the sum is 23.

The spelling of 20101115318 in words is "twenty billion, one hundred one million, one hundred fifteen thousand, three hundred eighteen".