20053340215 has 4 divisors (see below), whose sum is σ = 24064008264. Its totient is φ = 16042672168.

The previous prime is 20053340191. The next prime is 20053340227. The reversal of 20053340215 is 51204335002.

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

It is a cyclic number.

It is not a de Polignac number, because 20053340215 - 2¹¹ = 20053338167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20053340215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005334017 + ... + 2005334026.

It is an arithmetic number, because the mean of its divisors is an integer number (6016002066).

Almost surely, 2^20053340215 is an apocalyptic number.

20053340215 is a deficient number, since it is larger than the sum of its proper divisors (4010668049).

20053340215 is an equidigital number, since it uses as much as digits as its factorization.

20053340215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010668048.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20053340215 its reverse (51204335002), we get a palindrome (71257675217).

The spelling of 20053340215 in words is "twenty billion, fifty-three million, three hundred forty thousand, two hundred fifteen".