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20224082 = 210112041
BaseRepresentation
bin100110100100…
…1100001010010
31102001111020002
41031021201102
520134132312
62001250002
7333621224
oct115114122
942044202
1020224082
111046371a
126933902
134261418
142986414
151b974c2
hex1349852

20224082 has 4 divisors (see below), whose sum is σ = 30336126. Its totient is φ = 10112040.

The previous prime is 20224081. The next prime is 20224091. The reversal of 20224082 is 28042202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28042202 = 214021101.

It can be written as a sum of positive squares in only one way, i.e., 18757561 + 1466521 = 4331^2 + 1211^2 .

It is not an unprimeable number, because it can be changed into a prime (20224081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056019 + ... + 5056022.

Almost surely, 220224082 is an apocalyptic number.

20224082 is a deficient number, since it is larger than the sum of its proper divisors (10112044).

20224082 is a wasteful number, since it uses less digits than its factorization.

20224082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112043.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 20224082 is about 4497.1193001743. The cubic root of 20224082 is about 272.4517525332.

Adding to 20224082 its reverse (28042202), we get a palindrome (48266284).

The spelling of 20224082 in words is "twenty million, two hundred twenty-four thousand, eighty-two".

Divisors: 1 2 10112041 20224082