20101807118 has 8 divisors (see below), whose sum is σ = 30182957112. Its totient is φ = 10040821416.

The previous prime is 20101807111. The next prime is 20101807129. The reversal of 20101807118 is 81170810102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101807111) 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, 5038580 + ... + 5042567.

It is an arithmetic number, because the mean of its divisors is an integer number (3772869639).

Almost surely, 2^20101807118 is an apocalyptic number.

20101807118 is a deficient number, since it is larger than the sum of its proper divisors (10081149994).

20101807118 is a wasteful number, since it uses less digits than its factorization.

20101807118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082146.

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 20101807118 in words is "twenty billion, one hundred one million, eight hundred seven thousand, one hundred eighteen".