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20441933 is a prime number
BaseRepresentation
bin100110111111…
…0101101001101
31102110120001122
41031332231031
520213120213
62010050325
7335516321
oct115765515
942416048
1020441933
11105a2366
126a199a5
134309625
142a01981
151bdbd08
hex137eb4d

20441933 has 2 divisors, whose sum is σ = 20441934. Its totient is φ = 20441932.

The previous prime is 20441921. The next prime is 20441947. The reversal of 20441933 is 33914402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 3161284 = 4157^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441933 - 28 = 20441677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220966 + 10220967.

It is an arithmetic number, because the mean of its divisors is an integer number (10220967).

Almost surely, 220441933 is an apocalyptic number.

It is an amenable number.

20441933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441933 is an equidigital number, since it uses as much as digits as its factorization.

20441933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20441933 is about 4521.2755943428. The cubic root of 20441933 is about 273.4265316068.

The spelling of 20441933 in words is "twenty million, four hundred forty-one thousand, nine hundred thirty-three".