20112235 has 32 divisors (see below), whose sum is σ = 29611008. Its totient is φ = 12904320.

The previous prime is 20112233. The next prime is 20112251. The reversal of 20112235 is 53221102.

It is not a de Polignac number, because 20112235 - 2¹ = 20112233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15834 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 2^20112235 is an apocalyptic number.

20112235 is a deficient number, since it is larger than the sum of its proper divisors (9498773).

20112235 is a wasteful number, since it uses less digits than its factorization.

20112235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20112235 is about 4484.6666542788. Note that the first 4 decimals coincide. The cubic root of 20112235 is about 271.9485692479.

Adding to 20112235 its reverse (53221102), we get a palindrome (73333337).

The spelling of 20112235 in words is "twenty million, one hundred twelve thousand, two hundred thirty-five".