20655341 has 8 divisors (see below), whose sum is σ = 23640960. Its totient is φ = 17678448.

The previous prime is 20655329. The next prime is 20655367. The reversal of 20655341 is 14355602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20655341 is a prime.

It is a super-2 number, since 2×20655341² = 853286223652562, 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 20655341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20655301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (2955120).

Almost surely, 2^20655341 is an apocalyptic number.

It is an amenable number.

20655341 is a deficient number, since it is larger than the sum of its proper divisors (2985619).

20655341 is an equidigital number, since it uses as much as digits as its factorization.

20655341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20655341 is about 4544.8147376983. The cubic root of 20655341 is about 274.3747381099.

The spelling of 20655341 in words is "twenty million, six hundred fifty-five thousand, three hundred forty-one".