20527772 has 24 divisors (see below), whose sum is σ = 38352384. Its totient is φ = 9580032.

The previous prime is 20527769. The next prime is 20527783. The reversal of 20527772 is 27772502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (1598016).

Almost surely, 2^20527772 is an apocalyptic number.

It is an amenable number.

20527772 is a deficient number, since it is larger than the sum of its proper divisors (17824612).

20527772 is a wasteful number, since it uses less digits than its factorization.

20527772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 20527772 is about 4530.7584354057. The cubic root of 20527772 is about 273.8087179702.

The spelling of 20527772 in words is "twenty million, five hundred twenty-seven thousand, seven hundred seventy-two".