20252112 has 60 divisors (see below), whose sum is σ = 53734656. Its totient is φ = 6572480.

The previous prime is 20252107. The next prime is 20252131. The reversal of 20252112 is 21125202.

It is a junction number, because it is equal to n+sod(n) for n = 20252091 and 20252100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105937 + ... + 106127.

Almost surely, 2^20252112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20252112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26867328).

20252112 is an abundant number, since it is smaller than the sum of its proper divisors (33482544).

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

20252112 is a wasteful number, since it uses less digits than its factorization.

20252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20252112 is about 4500.2346605483. The cubic root of 20252112 is about 272.5775645428.

Adding to 20252112 its reverse (21125202), we get a palindrome (41377314).

The spelling of 20252112 in words is "twenty million, two hundred fifty-two thousand, one hundred twelve".