20500514015 has 8 divisors (see below), whose sum is σ = 24633910320. Its totient is φ = 16378215552.

The previous prime is 20500513997. The next prime is 20500514029. The reversal of 20500514015 is 51041500502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20500514015 - 2²⁶ = 20433405151 is a prime.

It is a super-2 number, since 2×20500514015² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770394 + ... + 2777783.

It is an arithmetic number, because the mean of its divisors is an integer number (3079238790).

Almost surely, 2^20500514015 is an apocalyptic number.

20500514015 is a deficient number, since it is larger than the sum of its proper divisors (4133396305).

20500514015 is an equidigital number, since it uses as much as digits as its factorization.

20500514015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548921.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 20500514015 in words is "twenty billion, five hundred million, five hundred fourteen thousand, fifteen".