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20220441 = 36740147
BaseRepresentation
bin100110100100…
…0101000011001
31102001022020020
41031020220121
520134023231
62001221053
7333604503
oct115105031
942038206
1020220441
1110460a0a
126931789
13425c877
142984d73
151b96396
hex1348a19

20220441 has 4 divisors (see below), whose sum is σ = 26960592. Its totient is φ = 13480292.

The previous prime is 20220407. The next prime is 20220451. The reversal of 20220441 is 14402202.

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 20220441 - 217 = 20089369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220441.

It is not an unprimeable number, because it can be changed into a prime (20220451) 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, 3370071 + ... + 3370076.

It is an arithmetic number, because the mean of its divisors is an integer number (6740148).

Almost surely, 220220441 is an apocalyptic number.

It is an amenable number.

20220441 is a deficient number, since it is larger than the sum of its proper divisors (6740151).

20220441 is an equidigital number, since it uses as much as digits as its factorization.

20220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740150.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20220441 is about 4496.7144672527. The cubic root of 20220441 is about 272.4354014594.

Adding to 20220441 its reverse (14402202), we get a palindrome (34622643).

The spelling of 20220441 in words is "twenty million, two hundred twenty thousand, four hundred forty-one".

Divisors: 1 3 6740147 20220441