20097466 has 4 divisors (see below), whose sum is σ = 30146202. Its totient is φ = 10048732.

The previous prime is 20097457. The next prime is 20097479. The reversal of 20097466 is 66479002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66479002 = 2 ⋅33239501.

It can be written as a sum of positive squares in only one way, i.e., 18740241 + 1357225 = 4329^2 + 1165^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5024365 + ... + 5024368.

Almost surely, 2^20097466 is an apocalyptic number.

20097466 is a deficient number, since it is larger than the sum of its proper divisors (10048736).

20097466 is a wasteful number, since it uses less digits than its factorization.

20097466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048735.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20097466 is about 4483.0197412012. The cubic root of 20097466 is about 271.8819863621.

The spelling of 20097466 in words is "twenty million, ninety-seven thousand, four hundred sixty-six".