20927353 has 2 divisors, whose sum is σ = 20927354. Its totient is φ = 20927352.

The previous prime is 20927351. The next prime is 20927399. The reversal of 20927353 is 35372902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20684304 + 243049 = 4548^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 20927353 - 2¹ = 20927351 is a prime.

Together with 20927351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20927351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10463676 + 10463677.

It is an arithmetic number, because the mean of its divisors is an integer number (10463677).

Almost surely, 2^20927353 is an apocalyptic number.

It is an amenable number.

20927353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20927353 is an equidigital number, since it uses as much as digits as its factorization.

20927353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 20927353 is about 4574.6423903951. The cubic root of 20927353 is about 275.5739110853.

The spelling of 20927353 in words is "twenty million, nine hundred twenty-seven thousand, three hundred fifty-three".