20200213 has 4 divisors (see below), whose sum is σ = 22036608. Its totient is φ = 18363820.

The previous prime is 20200181. The next prime is 20200223. The reversal of 20200213 is 31200202.

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 a cyclic number.

It is not a de Polignac number, because 20200213 - 2⁵ = 20200181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918181 + ... + 918202.

It is an arithmetic number, because the mean of its divisors is an integer number (5509152).

Almost surely, 2^20200213 is an apocalyptic number.

It is an amenable number.

20200213 is a deficient number, since it is larger than the sum of its proper divisors (1836395).

20200213 is a wasteful number, since it uses less digits than its factorization.

20200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836394.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20200213 is about 4494.4647067254. The cubic root of 20200213 is about 272.3445254007.

Adding to 20200213 its reverse (31200202), we get a palindrome (51400415).

The spelling of 20200213 in words is "twenty million, two hundred thousand, two hundred thirteen".