20015074519 has 12 divisors (see below), whose sum is σ = 22301420848. Its totient is φ = 17946260640.

The previous prime is 20015074459. The next prime is 20015074531. The reversal of 20015074519 is 91547051002.

It is not a de Polignac number, because 20015074519 - 2¹¹ = 20015072471 is a prime.

It is a super-2 number, since 2×20015074519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015071519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124139 + ... + 1141804.

Almost surely, 2^20015074519 is an apocalyptic number.

20015074519 is a deficient number, since it is larger than the sum of its proper divisors (2286346329).

20015074519 is a wasteful number, since it uses less digits than its factorization.

20015074519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266038 (or 2266027 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 20015074519 in words is "twenty billion, fifteen million, seventy-four thousand, five hundred nineteen".