20201113240 has 256 divisors, whose sum is σ = 58988113920. Its totient is φ = 6043914240.

The previous prime is 20201113237. The next prime is 20201113259. The reversal of 20201113240 is 4231110202.

It is a super-2 number, since 2×20201113240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7670964 + ... + 7673596.

It is an arithmetic number, because the mean of its divisors is an integer number (230422320).

Almost surely, 2^20201113240 is an apocalyptic number.

20201113240 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 20201113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29494056960).

20201113240 is an abundant number, since it is smaller than the sum of its proper divisors (38787000680).

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

20201113240 is a wasteful number, since it uses less digits than its factorization.

20201113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20201113240 its reverse (4231110202), we get a palindrome (24432223442).

The spelling of 20201113240 in words is "twenty billion, two hundred one million, one hundred thirteen thousand, two hundred forty".