2120020213 has 2 divisors, whose sum is σ = 2120020214. Its totient is φ = 2120020212.

The previous prime is 2120020187. The next prime is 2120020249. The reversal of 2120020213 is 3120200212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119865764 + 154449 = 46042^2 + 393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120020213 - 2²¹ = 2117923061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120020193 and 2120020202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120020313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060010106 + 1060010107.

It is an arithmetic number, because the mean of its divisors is an integer number (1060010107).

Almost surely, 2^2120020213 is an apocalyptic number.

It is an amenable number.

2120020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120020213 is an equidigital number, since it uses as much as digits as its factorization.

2120020213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120020213 is about 46043.6772315157. The cubic root of 2120020213 is about 1284.6357404447.

Adding to 2120020213 its reverse (3120200212), we get a palindrome (5240220425).

The spelling of 2120020213 in words is "two billion, one hundred twenty million, twenty thousand, two hundred thirteen".