20276552 has 16 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 9922384.

The previous prime is 20276537. The next prime is 20276561. The reversal of 20276552 is 25567202.

It is a super-2 number, since 2×20276552² = 822277122017408, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26588 + ... + 27339.

It is an arithmetic number, because the mean of its divisors is an integer number (2426760).

Almost surely, 2^20276552 is an apocalyptic number.

It is an amenable number.

20276552 is a deficient number, since it is larger than the sum of its proper divisors (18551608).

20276552 is a wasteful number, since it uses less digits than its factorization.

20276552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980 (or 53976 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 20276552 is about 4502.9492557656. The cubic root of 20276552 is about 272.6871682174.

The spelling of 20276552 in words is "twenty million, two hundred seventy-six thousand, five hundred fifty-two".