20350003310215 has 8 divisors (see below), whose sum is σ = 24554921122368. Its totient is φ = 16190057881440.

The previous prime is 20350003310213. The next prime is 20350003310281. The reversal of 20350003310215 is 51201330005302.

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

It is not a de Polignac number, because 20350003310215 - 2¹ = 20350003310213 is a prime.

It is a super-2 number, since 2×20350003310215² (a number of 27 digits) contains 22 as substring.

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 20350003310215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350003310213) 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 7 ways as a sum of consecutive naturals, for example, 11243094847 + ... + 11243096656.

It is an arithmetic number, because the mean of its divisors is an integer number (3069365140296).

Almost surely, 2^{20350003310215} is an apocalyptic number.

20350003310215 is a deficient number, since it is larger than the sum of its proper divisors (4204917812153).

20350003310215 is a wasteful number, since it uses less digits than its factorization.

20350003310215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486191689.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 20350003310215 its reverse (51201330005302), we get a palindrome (71551333315517).

The spelling of 20350003310215 in words is "twenty trillion, three hundred fifty billion, three million, three hundred ten thousand, two hundred fifteen".