20034514540 has 12 divisors (see below), whose sum is σ = 42072480576. Its totient is φ = 8013805808.

The previous prime is 20034514529. The next prime is 20034514547. The reversal of 20034514540 is 4541543002.

It is a junction number, because it is equal to n+sod(n) for n = 20034514499 and 20034514508.

It is not an unprimeable number, because it can be changed into a prime (20034514547) 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 3 ways as a sum of consecutive naturals, for example, 500862844 + ... + 500862883.

It is an arithmetic number, because the mean of its divisors is an integer number (3506040048).

Almost surely, 2^20034514540 is an apocalyptic number.

20034514540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20034514540 is an abundant number, since it is smaller than the sum of its proper divisors (22037966036).

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

20034514540 is a wasteful number, since it uses less digits than its factorization.

20034514540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001725736 (or 1001725734 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 20034514540 in words is "twenty billion, thirty-four million, five hundred fourteen thousand, five hundred forty".