20004013215 has 96 divisors (see below), whose sum is σ = 36977181696. Its totient is φ = 9982748160.

The previous prime is 20004013207. The next prime is 20004013231. The reversal of 20004013215 is 51231040002.

It is not a de Polignac number, because 20004013215 - 2³ = 20004013207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10066452 + ... + 10068438.

It is an arithmetic number, because the mean of its divisors is an integer number (385178976).

Almost surely, 2^20004013215 is an apocalyptic number.

20004013215 is a deficient number, since it is larger than the sum of its proper divisors (16973168481).

20004013215 is a wasteful number, since it uses less digits than its factorization.

20004013215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20004013215 its reverse (51231040002), we get a palindrome (71235053217).

The spelling of 20004013215 in words is "twenty billion, four million, thirteen thousand, two hundred fifteen".