1010020213 has 2 divisors, whose sum is σ = 1010020214. Its totient is φ = 1010020212.

The previous prime is 1010020171. The next prime is 1010020223. The reversal of 1010020213 is 3120200101.

It is an a-pointer prime, because the next prime (1010020223) can be obtained adding 1010020213 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009841284 + 178929 = 31778^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020213 - 2¹³ = 1010012021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010020213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020223) 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, 505010106 + 505010107.

It is an arithmetic number, because the mean of its divisors is an integer number (505010107).

Almost surely, 2^1010020213 is an apocalyptic number.

It is an amenable number.

1010020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020213 is an equidigital number, since it uses as much as digits as its factorization.

1010020213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1010020213 is about 31780.8151720499. The cubic root of 1010020213 is about 1003.3289766173.

Adding to 1010020213 its reverse (3120200101), we get a palindrome (4130220314).

The spelling of 1010020213 in words is "one billion, ten million, twenty thousand, two hundred thirteen".