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20220754 = 21032953
BaseRepresentation
bin100110100100…
…0101101010010
31102001022122211
41031020231102
520134031004
62001222334
7333605431
oct115105522
942038584
1020220754
1110461174
1269319aa
13425ca58
142985118
151b96504
hex1348b52

20220754 has 12 divisors (see below), whose sum is σ = 30660606. Its totient is φ = 10001712.

The previous prime is 20220751. The next prime is 20220791. The reversal of 20220754 is 45702202.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 2387025 = 4223^2 + 1545^2 .

It is not an unprimeable number, because it can be changed into a prime (20220751) 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 5 ways as a sum of consecutive naturals, for example, 20742 + ... + 21694.

Almost surely, 220220754 is an apocalyptic number.

20220754 is a deficient number, since it is larger than the sum of its proper divisors (10439852).

20220754 is an equidigital number, since it uses as much as digits as its factorization.

20220754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20220754 is about 4496.7492703063. The cubic root of 20220754 is about 272.4368071630.

Adding to 20220754 its reverse (45702202), we get a palindrome (65922956).

The spelling of 20220754 in words is "twenty million, two hundred twenty thousand, seven hundred fifty-four".

Divisors: 1 2 103 206 953 1906 10609 21218 98159 196318 10110377 20220754