1020215233 has 2 divisors, whose sum is σ = 1020215234. Its totient is φ = 1020215232.

The previous prime is 1020215227. The next prime is 1020215249. The reversal of 1020215233 is 3325120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005714369 + 14500864 = 31713^2 + 3808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020215233 - 2⁵ = 1020215201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020215233.

It is not a weakly prime, because it can be changed into another prime (1020212233) 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 as a sum of consecutive naturals, namely, 510107616 + 510107617.

It is an arithmetic number, because the mean of its divisors is an integer number (510107617).

Almost surely, 2^1020215233 is an apocalyptic number.

It is an amenable number.

1020215233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020215233 is an equidigital number, since it uses as much as digits as its factorization.

1020215233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020215233 is about 31940.8082709251. The cubic root of 1020215233 is about 1006.6935079876.

Adding to 1020215233 its reverse (3325120201), we get a palindrome (4345335434).

The spelling of 1020215233 in words is "one billion, twenty million, two hundred fifteen thousand, two hundred thirty-three".