20554112 has 16 divisors (see below), whose sum is σ = 40947900. Its totient is φ = 10276992.

The previous prime is 20554109. The next prime is 20554123. The reversal of 20554112 is 21145502.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80162 + ... + 80417.

Almost surely, 2^20554112 is an apocalyptic number.

It is an amenable number.

20554112 is a deficient number, since it is larger than the sum of its proper divisors (20393788).

20554112 is an equidigital number, since it uses as much as digits as its factorization.

20554112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160593 (or 160581 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 20554112 is about 4533.6643016439. The cubic root of 20554112 is about 273.9257795313.

Adding to 20554112 its reverse (21145502), we get a palindrome (41699614).

The spelling of 20554112 in words is "twenty million, five hundred fifty-four thousand, one hundred twelve".