20595473 has 2 divisors, whose sum is σ = 20595474. Its totient is φ = 20595472.

The previous prime is 20595469. The next prime is 20595503. The reversal of 20595473 is 37459502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19114384 + 1481089 = 4372^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 20595473 - 2² = 20595469 is a prime.

It is not a weakly prime, because it can be changed into another prime (20595403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10297736 + 10297737.

It is an arithmetic number, because the mean of its divisors is an integer number (10297737).

Almost surely, 2^20595473 is an apocalyptic number.

It is an amenable number.

20595473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20595473 is an equidigital number, since it uses as much as digits as its factorization.

20595473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 20595473 is about 4538.2235511266. The cubic root of 20595473 is about 274.1093965285.

The spelling of 20595473 in words is "twenty million, five hundred ninety-five thousand, four hundred seventy-three".