20608528 has 10 divisors (see below), whose sum is σ = 39929054. Its totient is φ = 10304256.

The previous prime is 20608517. The next prime is 20608537. The reversal of 20608528 is 82580602.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 8020224 = 3548^2 + 2832^2 .

It is a super-2 number, since 2×20608528² = 849422852653568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20608528.

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 as a sum of consecutive naturals, namely, 644001 + ... + 644032.

Almost surely, 2^20608528 is an apocalyptic number.

It is an amenable number.

20608528 is a deficient number, since it is larger than the sum of its proper divisors (19320526).

20608528 is a wasteful number, since it uses less digits than its factorization.

20608528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288041 (or 1288035 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 20608528 is about 4539.6616614017. The cubic root of 20608528 is about 274.1673015242.

The spelling of 20608528 in words is "twenty million, six hundred eight thousand, five hundred twenty-eight".