220315124 has 6 divisors (see below), whose sum is σ = 385551474. Its totient is φ = 110157560.

The previous prime is 220315079. The next prime is 220315133. The reversal of 220315124 is 421513022.

It can be written as a sum of positive squares in only one way, i.e., 163584100 + 56731024 = 12790^2 + 7532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220315096 and 220315105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27539387 + ... + 27539394.

It is an arithmetic number, because the mean of its divisors is an integer number (64258579).

Almost surely, 2^220315124 is an apocalyptic number.

It is an amenable number.

220315124 is a deficient number, since it is larger than the sum of its proper divisors (165236350).

220315124 is a wasteful number, since it uses less digits than its factorization.

220315124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55078785 (or 55078783 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220315124 is about 14843.0160007998. The cubic root of 220315124 is about 603.9691701001.

Adding to 220315124 its reverse (421513022), we get a palindrome (641828146).

The spelling of 220315124 in words is "two hundred twenty million, three hundred fifteen thousand, one hundred twenty-four".