20535112 has 16 divisors (see below), whose sum is σ = 41465340. Its totient is φ = 9477696.

The previous prime is 20535107. The next prime is 20535121. The reversal of 20535112 is 21153502.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 2268036 = 4274^2 + 1506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20535112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98623 + ... + 98830.

Almost surely, 2^20535112 is an apocalyptic number.

It is an amenable number.

20535112 is an abundant number, since it is smaller than the sum of its proper divisors (20930228).

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

20535112 is a wasteful number, since it uses less digits than its factorization.

20535112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197472 (or 197468 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20535112 is about 4531.5683819181. The cubic root of 20535112 is about 273.8413488292.

Adding to 20535112 its reverse (21153502), we get a palindrome (41688614).

The spelling of 20535112 in words is "twenty million, five hundred thirty-five thousand, one hundred twelve".