20076493 has 8 divisors (see below), whose sum is σ = 21033216. Its totient is φ = 19126800.

The previous prime is 20076491. The next prime is 20076509. The reversal of 20076493 is 39467002.

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

It is not a de Polignac number, because 20076493 - 2¹ = 20076491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4623 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (2629152).

Almost surely, 2^20076493 is an apocalyptic number.

20076493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20076493 is a deficient number, since it is larger than the sum of its proper divisors (956723).

20076493 is a wasteful number, since it uses less digits than its factorization.

20076493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20076493 is about 4480.6799707187. The cubic root of 20076493 is about 271.7873779907.

The spelling of 20076493 in words is "twenty million, seventy-six thousand, four hundred ninety-three".