20237066 has 8 divisors (see below), whose sum is σ = 30466020. Its totient is φ = 10081728.

The previous prime is 20237053. The next prime is 20237093. The reversal of 20237066 is 66073202.

It can be written as a sum of positive squares in 2 ways, for example, as 20205025 + 32041 = 4495^2 + 179^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17711 + ... + 18818.

Almost surely, 2^20237066 is an apocalyptic number.

20237066 is a deficient number, since it is larger than the sum of its proper divisors (10228954).

20237066 is a wasteful number, since it uses less digits than its factorization.

20237066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36808.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20237066 is about 4498.5626593391. The cubic root of 20237066 is about 272.5100453610.

The spelling of 20237066 in words is "twenty million, two hundred thirty-seven thousand, sixty-six".