20136314340 has 192 divisors, whose sum is σ = 65470648320. Its totient is φ = 5132937600.

The previous prime is 20136314333. The next prime is 20136314357. The reversal of 20136314340 is 4341363102.

20136314340 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 6 + 314 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1082115 + ... + 1100565.

It is an arithmetic number, because the mean of its divisors is an integer number (340992960).

Almost surely, 2^20136314340 is an apocalyptic number.

20136314340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20136314340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32735324160).

20136314340 is an abundant number, since it is smaller than the sum of its proper divisors (45334333980).

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

20136314340 is a wasteful number, since it uses less digits than its factorization.

20136314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559 (or 18551 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20136314340 its reverse (4341363102), we get a palindrome (24477677442).

The spelling of 20136314340 in words is "twenty billion, one hundred thirty-six million, three hundred fourteen thousand, three hundred forty".