220142240324 has 6 divisors (see below), whose sum is σ = 385248920574. Its totient is φ = 110071120160.

The previous prime is 220142240287. The next prime is 220142240363. The reversal of 220142240324 is 423042241022.

It can be written as a sum of positive squares in only one way, i.e., 192641988100 + 27500252224 = 438910^2 + 165832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220142240293 and 220142240302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517780037 + ... + 27517780044.

It is an arithmetic number, because the mean of its divisors is an integer number (64208153429).

Almost surely, 2^220142240324 is an apocalyptic number.

It is an amenable number.

220142240324 is a deficient number, since it is larger than the sum of its proper divisors (165106680250).

220142240324 is a wasteful number, since it uses less digits than its factorization.

220142240324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55035560085 (or 55035560083 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 220142240324 its reverse (423042241022), we get a palindrome (643184481346).

The spelling of 220142240324 in words is "two hundred twenty billion, one hundred forty-two million, two hundred forty thousand, three hundred twenty-four".