20088135318 has 32 divisors (see below), whose sum is σ = 40278712320. Its totient is φ = 6678993600.

The previous prime is 20088135311. The next prime is 20088135337. The reversal of 20088135318 is 81353188002.

It is a super-2 number, since 2×20088135318² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088135311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341371 + ... + 6344537.

It is an arithmetic number, because the mean of its divisors is an integer number (1258709760).

Almost surely, 2^20088135318 is an apocalyptic number.

20088135318 is an abundant number, since it is smaller than the sum of its proper divisors (20190577002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20088135318 is a wasteful number, since it uses less digits than its factorization.

20088135318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 20088135318 in words is "twenty billion, eighty-eight million, one hundred thirty-five thousand, three hundred eighteen".