20960453 has 2 divisors, whose sum is σ = 20960454. Its totient is φ = 20960452.

The previous prime is 20960437. The next prime is 20960497. The reversal of 20960453 is 35406902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17032129 + 3928324 = 4127^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 20960453 - 2⁴ = 20960437 is a prime.

It is a super-3 number, since 3×20960453³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20960413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10480226 + 10480227.

It is an arithmetic number, because the mean of its divisors is an integer number (10480227).

Almost surely, 2^20960453 is an apocalyptic number.

It is an amenable number.

20960453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20960453 is an equidigital number, since it uses as much as digits as its factorization.

20960453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20960453 is about 4578.2587301287. The cubic root of 20960453 is about 275.7191228190.

The spelling of 20960453 in words is "twenty million, nine hundred sixty thousand, four hundred fifty-three".