20617088 has 16 divisors (see below), whose sum is σ = 41073360. Its totient is φ = 10308480.

The previous prime is 20617049. The next prime is 20617127. The reversal of 20617088 is 88071602.

It is an interprime number because it is at equal distance from previous prime (20617049) and next prime (20617127).

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 as a sum of consecutive naturals, namely, 80408 + ... + 80663.

It is an arithmetic number, because the mean of its divisors is an integer number (2567085).

Almost surely, 2^20617088 is an apocalyptic number.

It is an amenable number.

20617088 is a deficient number, since it is larger than the sum of its proper divisors (20456272).

20617088 is an equidigital number, since it uses as much as digits as its factorization.

20617088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161085 (or 161073 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 20617088 is about 4540.6043650598. The cubic root of 20617088 is about 274.2052558320.

The spelling of 20617088 in words is "twenty million, six hundred seventeen thousand, eighty-eight".