20662295 has 8 divisors (see below), whose sum is σ = 24822960. Its totient is φ = 16511040.

The previous prime is 20662289. The next prime is 20662307. The reversal of 20662295 is 59226602.

It is a happy number.

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

It is not a de Polignac number, because 20662295 - 2⁸ = 20662039 is a prime.

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, 4091 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (3102870).

Almost surely, 2^20662295 is an apocalyptic number.

20662295 is a deficient number, since it is larger than the sum of its proper divisors (4160665).

20662295 is a wasteful number, since it uses less digits than its factorization.

20662295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 20662295 is about 4545.5797210037. The cubic root of 20662295 is about 274.4055257538.

Adding to 20662295 its reverse (59226602), we get a palindrome (79888897).

The spelling of 20662295 in words is "twenty million, six hundred sixty-two thousand, two hundred ninety-five".