20590274 has 8 divisors (see below), whose sum is σ = 30915660. Its totient is φ = 10285056.

The previous prime is 20590223. The next prime is 20590279. The reversal of 20590274 is 47209502.

It can be written as a sum of positive squares in 2 ways, for example, as 20187049 + 403225 = 4493^2 + 635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20590279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159 + ... + 6770.

Almost surely, 2^20590274 is an apocalyptic number.

20590274 is a deficient number, since it is larger than the sum of its proper divisors (10325386).

20590274 is a wasteful number, since it uses less digits than its factorization.

20590274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20590274 is about 4537.6507137505. The cubic root of 20590274 is about 274.0863297331.

Adding to 20590274 its reverse (47209502), we get a palindrome (67799776).

The spelling of 20590274 in words is "twenty million, five hundred ninety thousand, two hundred seventy-four".