20095213 has 6 divisors (see below), whose sum is σ = 20347214. Its totient is φ = 19846296.

The previous prime is 20095211. The next prime is 20095237. The reversal of 20095213 is 31259002.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 6889 = 4482^2 + 83^2 .

It is not a de Polignac number, because 20095213 - 2¹ = 20095211 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 (20095211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5431 + ... + 8347.

Almost surely, 2^20095213 is an apocalyptic number.

It is an amenable number.

20095213 is a deficient number, since it is larger than the sum of its proper divisors (252001).

20095213 is an frugal number, since it uses more digits than its factorization.

20095213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 20095213 is about 4482.7684526417. The cubic root of 20095213 is about 271.8718263249.

The spelling of 20095213 in words is "twenty million, ninety-five thousand, two hundred thirteen".