20302622 has 8 divisors (see below), whose sum is σ = 31162296. Its totient is φ = 9915192.

The previous prime is 20302619. The next prime is 20302627. The reversal of 20302622 is 22620302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20302622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117953 + ... + 118124.

It is an arithmetic number, because the mean of its divisors is an integer number (3895287).

Almost surely, 2^20302622 is an apocalyptic number.

20302622 is a deficient number, since it is larger than the sum of its proper divisors (10859674).

20302622 is a wasteful number, since it uses less digits than its factorization.

20302622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236122.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20302622 is about 4505.8430953596. The cubic root of 20302622 is about 272.8039847573.

Adding to 20302622 its reverse (22620302), we get a palindrome (42922924).

The spelling of 20302622 in words is "twenty million, three hundred two thousand, six hundred twenty-two".