20045130015015 has 96 divisors (see below), whose sum is σ = 39942680469120. Its totient is φ = 9109446893568.

The previous prime is 20045130014977. The next prime is 20045130015019. The reversal of 20045130015015 is 51051003154002.

20045130015015 is a `hidden beast` number, since 20 + 0 + 4 + 5 + 130 + 0 + 1 + 501 + 5 = 666.

It is not a de Polignac number, because 20045130015015 - 2¹⁶ = 20045129949479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20045130015015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045130015019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 631744671 + ... + 631776399.

It is an arithmetic number, because the mean of its divisors is an integer number (416069588220).

Almost surely, 2^{20045130015015} is an apocalyptic number.

20045130015015 is a deficient number, since it is larger than the sum of its proper divisors (19897550454105).

20045130015015 is a wasteful number, since it uses less digits than its factorization.

20045130015015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43513 (or 43510 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 20045130015015 its reverse (51051003154002), we get a palindrome (71096133169017).

The spelling of 20045130015015 in words is "twenty trillion, forty-five billion, one hundred thirty million, fifteen thousand, fifteen".