20508096 has 56 divisors (see below), whose sum is σ = 62016640. Its totient is φ = 5859072.

The previous prime is 20508083. The next prime is 20508113. The reversal of 20508096 is 69080502.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6286 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (1107440).

Almost surely, 2^20508096 is an apocalyptic number.

It is an amenable number.

20508096 is an abundant number, since it is smaller than the sum of its proper divisors (41508544).

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

20508096 is a wasteful number, since it uses less digits than its factorization.

20508096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15281 (or 15271 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 20508096 is about 4528.5865344498. The cubic root of 20508096 is about 273.7212075387.

Adding to 20508096 its reverse (69080502), we get a palindrome (89588598).

The spelling of 20508096 in words is "twenty million, five hundred eight thousand, ninety-six".