20072886 has 32 divisors (see below), whose sum is σ = 43037568. Its totient is φ = 6218880.

The previous prime is 20072867. The next prime is 20072917. The reversal of 20072886 is 68827002.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7281 + ... + 9651.

It is an arithmetic number, because the mean of its divisors is an integer number (1344924).

Almost surely, 2^20072886 is an apocalyptic number.

20072886 is an abundant number, since it is smaller than the sum of its proper divisors (22964682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20072886 is a wasteful number, since it uses less digits than its factorization.

20072886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 20072886 is about 4480.2774467660. The cubic root of 20072886 is about 271.7711003173.

Adding to 20072886 its reverse (68827002), we get a palindrome (88899888).

The spelling of 20072886 in words is "twenty million, seventy-two thousand, eight hundred eighty-six".