20302112 has 12 divisors (see below), whose sum is σ = 39969846. Its totient is φ = 10151040.

The previous prime is 20302099. The next prime is 20302133. The reversal of 20302112 is 21120302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 5216656 = 3884^2 + 2284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20302093 and 20302102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317189 + ... + 317252.

Almost surely, 2^20302112 is an apocalyptic number.

It is an amenable number.

20302112 is a deficient number, since it is larger than the sum of its proper divisors (19667734).

20302112 is an equidigital number, since it uses as much as digits as its factorization.

20302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634451 (or 634443 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20302112 is about 4505.7865018219. The cubic root of 20302112 is about 272.8017004678.

Adding to 20302112 its reverse (21120302), we get a palindrome (41422414).

The spelling of 20302112 in words is "twenty million, three hundred two thousand, one hundred twelve".