20072885 has 8 divisors (see below), whose sum is σ = 27528576. Its totient is φ = 13764240.

The previous prime is 20072867. The next prime is 20072917. The reversal of 20072885 is 58827002.

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

It is not a de Polignac number, because 20072885 - 2²² = 15878581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286721 + ... + 286790.

It is an arithmetic number, because the mean of its divisors is an integer number (3441072).

Almost surely, 2^20072885 is an apocalyptic number.

It is an amenable number.

20072885 is a deficient number, since it is larger than the sum of its proper divisors (7455691).

20072885 is an equidigital number, since it uses as much as digits as its factorization.

20072885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573523.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 20072885 is about 4480.2773351658. The cubic root of 20072885 is about 271.7710958042.

Adding to 20072885 its reverse (58827002), we get a palindrome (78899887).

The spelling of 20072885 in words is "twenty million, seventy-two thousand, eight hundred eighty-five".