1020213218 has 8 divisors (see below), whose sum is σ = 1559193948. Its totient is φ = 500481904.

The previous prime is 1020213217. The next prime is 1020213241. The reversal of 1020213218 is 8123120201.

It can be written as a sum of positive squares in 2 ways, for example, as 1017801409 + 2411809 = 31903^2 + 1553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020213218.

It is not an unprimeable number, because it can be changed into a prime (1020213217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4812221 + ... + 4812432.

Almost surely, 2^1020213218 is an apocalyptic number.

1020213218 is a deficient number, since it is larger than the sum of its proper divisors (538980730).

1020213218 is an equidigital number, since it uses as much as digits as its factorization.

1020213218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624708.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1020213218 is about 31940.7767281887. The cubic root of 1020213218 is about 1006.6928452227.

Adding to 1020213218 its reverse (8123120201), we get a palindrome (9143333419).

The spelling of 1020213218 in words is "one billion, twenty million, two hundred thirteen thousand, two hundred eighteen".