20213301 has 4 divisors (see below), whose sum is σ = 26951072. Its totient is φ = 13475532.

The previous prime is 20213293. The next prime is 20213309. The reversal of 20213301 is 10331202.

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 an interprime number because it is at equal distance from previous prime (20213293) and next prime (20213309).

It is not a de Polignac number, because 20213301 - 2³ = 20213293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368881 + ... + 3368886.

It is an arithmetic number, because the mean of its divisors is an integer number (6737768).

Almost surely, 2^20213301 is an apocalyptic number.

It is an amenable number.

20213301 is a deficient number, since it is larger than the sum of its proper divisors (6737771).

20213301 is an equidigital number, since it uses as much as digits as its factorization.

20213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737770.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20213301 is about 4495.9204841723. The cubic root of 20213301 is about 272.4033313088.

Adding to 20213301 its reverse (10331202), we get a palindrome (30544503).

The spelling of 20213301 in words is "twenty million, two hundred thirteen thousand, three hundred one".