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20220793 = 43470251
BaseRepresentation
bin100110100100…
…0101101111001
31102001022201021
41031020231321
520134031133
62001222441
7333605515
oct115105571
942038637
1020220793
11104611aa
126931a21
13425ca88
142985145
151b9652d
hex1348b79

20220793 has 4 divisors (see below), whose sum is σ = 20691088. Its totient is φ = 19750500.

The previous prime is 20220791. The next prime is 20220797. The reversal of 20220793 is 39702202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20220793 - 21 = 20220791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220791) by changing a digit.

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, 235083 + ... + 235168.

It is an arithmetic number, because the mean of its divisors is an integer number (5172772).

Almost surely, 220220793 is an apocalyptic number.

It is an amenable number.

20220793 is a deficient number, since it is larger than the sum of its proper divisors (470295).

20220793 is an equidigital number, since it uses as much as digits as its factorization.

20220793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470294.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20220793 is about 4496.7536067701. The cubic root of 20220793 is about 272.4369823136.

Adding to 20220793 its reverse (39702202), we get a palindrome (59922995).

The spelling of 20220793 in words is "twenty million, two hundred twenty thousand, seven hundred ninety-three".

Divisors: 1 43 470251 20220793