20601622 has 8 divisors (see below), whose sum is σ = 31325976. Its totient is φ = 10159632.

The previous prime is 20601617. The next prime is 20601667. The reversal of 20601622 is 22610602.

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 20601622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70408 + ... + 70699.

It is an arithmetic number, because the mean of its divisors is an integer number (3915747).

Almost surely, 2^20601622 is an apocalyptic number.

20601622 is a deficient number, since it is larger than the sum of its proper divisors (10724354).

20601622 is a wasteful number, since it uses less digits than its factorization.

20601622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141182.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20601622 is about 4538.9009682962. The cubic root of 20601622 is about 274.1366732504.

The spelling of 20601622 in words is "twenty million, six hundred one thousand, six hundred twenty-two".