20546112 has 56 divisors (see below), whose sum is σ = 54900576. Its totient is φ = 6780928.

The previous prime is 20546089. The next prime is 20546129. The reversal of 20546112 is 21164502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21223 + ... + 22169.

Almost surely, 2^20546112 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 20546112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27450288).

20546112 is an abundant number, since it is smaller than the sum of its proper divisors (34354464).

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

20546112 is a wasteful number, since it uses less digits than its factorization.

20546112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20546112 is about 4532.7819272495. The cubic root of 20546112 is about 273.8902361064.

The spelling of 20546112 in words is "twenty million, five hundred forty-six thousand, one hundred twelve".