20112552 has 48 divisors (see below), whose sum is σ = 56234880. Its totient is φ = 6487200.

The previous prime is 20112541. The next prime is 20112601. The reversal of 20112552 is 25521102.

20112552 is a `hidden beast` number, since 2 + 0 + 112 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (1171560).

Almost surely, 2^20112552 is an apocalyptic number.

It is an amenable number.

20112552 is an abundant number, since it is smaller than the sum of its proper divisors (36122328).

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

20112552 is a wasteful number, since it uses less digits than its factorization.

20112552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 20112552 is about 4484.7019967886. The cubic root of 20112552 is about 271.9499980174.

Adding to 20112552 its reverse (25521102), we get a palindrome (45633654).

The spelling of 20112552 in words is "twenty million, one hundred twelve thousand, five hundred fifty-two".