20230213 has 4 divisors (see below), whose sum is σ = 20351520. Its totient is φ = 20108908.

The previous prime is 20230201. The next prime is 20230219. The reversal of 20230213 is 31203202.

It is a happy number.

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 20230213 - 2¹³ = 20222021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230193 and 20230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230219) 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, 60403 + ... + 60736.

It is an arithmetic number, because the mean of its divisors is an integer number (5087880).

Almost surely, 2^20230213 is an apocalyptic number.

It is an amenable number.

20230213 is a deficient number, since it is larger than the sum of its proper divisors (121307).

20230213 is a wasteful number, since it uses less digits than its factorization.

20230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121306.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20230213 is about 4497.8009071101. The cubic root of 20230213 is about 272.4792813134.

Adding to 20230213 its reverse (31203202), we get a palindrome (51433415).

The spelling of 20230213 in words is "twenty million, two hundred thirty thousand, two hundred thirteen".