220501402115 has 4 divisors (see below), whose sum is σ = 264601682544. Its totient is φ = 176401121688.

The previous prime is 220501402103. The next prime is 220501402129. The reversal of 220501402115 is 511204105022.

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 220501402115 - 2¹⁰ = 220501401091 is a prime.

It is a Duffinian 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, 22050140207 + ... + 22050140216.

It is an arithmetic number, because the mean of its divisors is an integer number (66150420636).

Almost surely, 2^220501402115 is an apocalyptic number.

220501402115 is a deficient number, since it is larger than the sum of its proper divisors (44100280429).

220501402115 is an equidigital number, since it uses as much as digits as its factorization.

220501402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44100280428.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 220501402115 its reverse (511204105022), we get a palindrome (731705507137).

The spelling of 220501402115 in words is "two hundred twenty billion, five hundred one million, four hundred two thousand, one hundred fifteen".