4020252213 has 4 divisors (see below), whose sum is σ = 5360336288. Its totient is φ = 2680168140.

The previous prime is 4020252211. The next prime is 4020252217. The reversal of 4020252213 is 3122520204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4020252213 - 2¹ = 4020252211 is a prime.

It is a super-2 number, since 2×4020252213² = 32324855712262794738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020252213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020252211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670042033 + ... + 670042038.

It is an arithmetic number, because the mean of its divisors is an integer number (1340084072).

Almost surely, 2^4020252213 is an apocalyptic number.

It is an amenable number.

4020252213 is a deficient number, since it is larger than the sum of its proper divisors (1340084075).

4020252213 is a wasteful number, since it uses less digits than its factorization.

4020252213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340084074.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4020252213 is about 63405.4588580510. The cubic root of 4020252213 is about 1590.0755753010.

Adding to 4020252213 its reverse (3122520204), we get a palindrome (7142772417).

The spelling of 4020252213 in words is "four billion, twenty million, two hundred fifty-two thousand, two hundred thirteen".