220251242315 has 16 divisors (see below), whose sum is σ = 290688386688. Its totient is φ = 159186493056.

The previous prime is 220251242297. The next prime is 220251242347. The reversal of 220251242315 is 513242152022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220251242315 - 2⁸ = 220251242059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36044612 + ... + 36050721.

It is an arithmetic number, because the mean of its divisors is an integer number (18168024168).

Almost surely, 2^220251242315 is an apocalyptic number.

220251242315 is a deficient number, since it is larger than the sum of its proper divisors (70437144373).

220251242315 is a wasteful number, since it uses less digits than its factorization.

220251242315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72095398.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 220251242315 its reverse (513242152022), we get a palindrome (733493394337).

The spelling of 220251242315 in words is "two hundred twenty billion, two hundred fifty-one million, two hundred forty-two thousand, three hundred fifteen".