22020789 has 8 divisors (see below), whose sum is σ = 33555520. Its totient is φ = 12583296.

The previous prime is 22020767. The next prime is 22020793. The reversal of 22020789 is 98702022.

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

It is not a de Polignac number, because 22020789 - 2⁸ = 22020533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020709) 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, 524284 + ... + 524325.

It is an arithmetic number, because the mean of its divisors is an integer number (4194440).

Almost surely, 2^22020789 is an apocalyptic number.

It is an amenable number.

22020789 is a deficient number, since it is larger than the sum of its proper divisors (11534731).

22020789 is a wasteful number, since it uses less digits than its factorization.

22020789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048619.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 22020789 is about 4692.6313513848. The cubic root of 22020789 is about 280.2921652730.

The spelling of 22020789 in words is "twenty-two million, twenty thousand, seven hundred eighty-nine".