220554121315 has 16 divisors (see below), whose sum is σ = 289647863136. Its totient is φ = 159890515200.

The previous prime is 220554121303. The next prime is 220554121327. The reversal of 220554121315 is 513121455022.

It is an interprime number because it is at equal distance from previous prime (220554121303) and next prime (220554121327).

It is not a de Polignac number, because 220554121315 - 2¹¹ = 220554119267 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 15 ways as a sum of consecutive naturals, for example, 6388656 + ... + 6423085.

It is an arithmetic number, because the mean of its divisors is an integer number (18102991446).

Almost surely, 2^220554121315 is an apocalyptic number.

220554121315 is a deficient number, since it is larger than the sum of its proper divisors (69093741821).

220554121315 is a wasteful number, since it uses less digits than its factorization.

220554121315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12812070.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 220554121315 its reverse (513121455022), we get a palindrome (733675576337).

The spelling of 220554121315 in words is "two hundred twenty billion, five hundred fifty-four million, one hundred twenty-one thousand, three hundred fifteen".