20136015324 has 72 divisors (see below), whose sum is σ = 52930725120. Its totient is φ = 6446563200.

The previous prime is 20136015323. The next prime is 20136015343. The reversal of 20136015324 is 42351063102.

20136015324 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 601 + 53 + 2 + 4 = 666.

It is a super-2 number, since 2×20136015324² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136015323) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 148914 + ... + 249894.

It is an arithmetic number, because the mean of its divisors is an integer number (735148960).

Almost surely, 2^20136015324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20136015324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26465362560).

20136015324 is an abundant number, since it is smaller than the sum of its proper divisors (32794709796).

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

20136015324 is a wasteful number, since it uses less digits than its factorization.

20136015324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101211 (or 101206 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20136015324 its reverse (42351063102), we get a palindrome (62487078426).

The spelling of 20136015324 in words is "twenty billion, one hundred thirty-six million, fifteen thousand, three hundred twenty-four".