20034514513 has 4 divisors (see below), whose sum is σ = 21575631028. Its totient is φ = 18493398000.

The previous prime is 20034514469. The next prime is 20034514517. The reversal of 20034514513 is 31541543002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1964971584 + 18069542929 = 44328^2 + 134423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20034514513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034514517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770558238 + ... + 770558263.

It is an arithmetic number, because the mean of its divisors is an integer number (5393907757).

Almost surely, 2^20034514513 is an apocalyptic number.

It is an amenable number.

20034514513 is a deficient number, since it is larger than the sum of its proper divisors (1541116515).

20034514513 is a wasteful number, since it uses less digits than its factorization.

20034514513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541116514.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 20034514513 in words is "twenty billion, thirty-four million, five hundred fourteen thousand, five hundred thirteen".