220102024 has 8 divisors (see below), whose sum is σ = 412691310. Its totient is φ = 110051008.

The previous prime is 220102013. The next prime is 220102027. The reversal of 220102024 is 420201022.

It can be written as a sum of positive squares in only one way, i.e., 164301124 + 55800900 = 12818^2 + 7470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 220101995 and 220102013.

It is not an unprimeable number, because it can be changed into a prime (220102027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13756369 + ... + 13756384.

Almost surely, 2^220102024 is an apocalyptic number.

It is an amenable number.

220102024 is a deficient number, since it is larger than the sum of its proper divisors (192589286).

220102024 is a wasteful number, since it uses less digits than its factorization.

220102024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27512759 (or 27512755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220102024 is about 14835.8358038905. The cubic root of 220102024 is about 603.7743773762.

Adding to 220102024 its reverse (420201022), we get a palindrome (640303046).

The spelling of 220102024 in words is "two hundred twenty million, one hundred two thousand, twenty-four".