20000552 has 32 divisors (see below), whose sum is σ = 44059680. Its totient is φ = 8391360.

The previous prime is 20000543. The next prime is 20000567. The reversal of 20000552 is 25500002.

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 7 ways as a sum of consecutive naturals, for example, 7598 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (1376865).

Almost surely, 2^20000552 is an apocalyptic number.

20000552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000552 is an abundant number, since it is smaller than the sum of its proper divisors (24059128).

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

20000552 is a wasteful number, since it uses less digits than its factorization.

20000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513 (or 17509 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 20000552 is about 4472.1976700499. The cubic root of 20000552 is about 271.4442589007. Note that the first 3 decimals are identical.

Adding to 20000552 its reverse (25500002), we get a palindrome (45500554).

The spelling of 20000552 in words is "twenty million, five hundred fifty-two", and thus it is an aban number.