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20474411 is a prime number
BaseRepresentation
bin100111000011…
…0101000101011
31102112012121112
41032012220223
520220140121
62010500535
7336013106
oct116065053
942465545
1020474411
1110614801
126a3474b
13431b349
142a0d73d
151be675b
hex1386a2b

20474411 has 2 divisors, whose sum is σ = 20474412. Its totient is φ = 20474410.

The previous prime is 20474371. The next prime is 20474429. The reversal of 20474411 is 11447402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20474411 - 214 = 20458027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20474491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10237205 + 10237206.

It is an arithmetic number, because the mean of its divisors is an integer number (10237206).

Almost surely, 220474411 is an apocalyptic number.

20474411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20474411 is an equidigital number, since it uses as much as digits as its factorization.

20474411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 20474411 is about 4524.8658543652. The cubic root of 20474411 is about 273.5712610384.

The spelling of 20474411 in words is "twenty million, four hundred seventy-four thousand, four hundred eleven".