20622353 has 8 divisors (see below), whose sum is σ = 22118400. Its totient is φ = 19167408.

The previous prime is 20622341. The next prime is 20622361. The reversal of 20622353 is 35322602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20622353 - 2⁴ = 20622337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622313) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9233 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (2764800).

Almost surely, 2^20622353 is an apocalyptic number.

It is an amenable number.

20622353 is a deficient number, since it is larger than the sum of its proper divisors (1496047).

20622353 is a wasteful number, since it uses less digits than its factorization.

20622353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20622353 is about 4541.1840966867. The cubic root of 20622353 is about 274.2285951739.

Adding to 20622353 its reverse (35322602), we get a palindrome (55944955).

The spelling of 20622353 in words is "twenty million, six hundred twenty-two thousand, three hundred fifty-three".