20608260 has 48 divisors (see below), whose sum is σ = 59269056. Its totient is φ = 5346432.

The previous prime is 20608249. The next prime is 20608271. The reversal of 20608260 is 6280602.

It is an interprime number because it is at equal distance from previous prime (20608249) and next prime (20608271).

It is a self number, because there is not a number n which added to its sum of digits gives 20608260.

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 15 ways as a sum of consecutive naturals, for example, 2422 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (1234772).

Almost surely, 2^20608260 is an apocalyptic number.

20608260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20608260 is an abundant number, since it is smaller than the sum of its proper divisors (38660796).

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

20608260 is a wasteful number, since it uses less digits than its factorization.

20608260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332 (or 9330 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20608260 is about 4539.6321436874. The cubic root of 20608260 is about 274.1661130655.

Adding to 20608260 its reverse (6280602), we get a palindrome (26888862).

The spelling of 20608260 in words is "twenty million, six hundred eight thousand, two hundred sixty".