220401315 has 24 divisors (see below), whose sum is σ = 383209008. Its totient is φ = 117184320.

The previous prime is 220401241. The next prime is 220401317. The reversal of 220401315 is 513104022.

It is not a de Polignac number, because 220401315 - 2¹³ = 220393123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220401317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7497 + ... + 22293.

It is an arithmetic number, because the mean of its divisors is an integer number (15967042).

Almost surely, 2^220401315 is an apocalyptic number.

220401315 is a deficient number, since it is larger than the sum of its proper divisors (162807693).

220401315 is a wasteful number, since it uses less digits than its factorization.

220401315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139 (or 15136 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 220401315 is about 14845.9191362475. The cubic root of 220401315 is about 604.0479208138.

Adding to 220401315 its reverse (513104022), we get a palindrome (733505337).

The spelling of 220401315 in words is "two hundred twenty million, four hundred one thousand, three hundred fifteen".