20314141540 has 96 divisors (see below), whose sum is σ = 53235512064. Its totient is φ = 6325800960.

The previous prime is 20314141511. The next prime is 20314141541. The reversal of 20314141540 is 4514141302.

It is not an unprimeable number, because it can be changed into a prime (20314141541) 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 31 ways as a sum of consecutive naturals, for example, 1831692 + ... + 1842748.

It is an arithmetic number, because the mean of its divisors is an integer number (554536584).

Almost surely, 2^20314141540 is an apocalyptic number.

20314141540 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 20314141540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26617756032).

20314141540 is an abundant number, since it is smaller than the sum of its proper divisors (32921370524).

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

20314141540 is a wasteful number, since it uses less digits than its factorization.

20314141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277 (or 12275 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20314141540 its reverse (4514141302), we get a palindrome (24828282842).

The spelling of 20314141540 in words is "twenty billion, three hundred fourteen million, one hundred forty-one thousand, five hundred forty".