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20294941 is a prime number
BaseRepresentation
bin100110101101…
…0110100011101
31102012002102111
41031122310131
520143414231
62002554021
7334334632
oct115326435
942162374
1020294941
1110501987
126968911
134287754
1429a4189
151bad4b1
hex135ad1d

20294941 has 2 divisors, whose sum is σ = 20294942. Its totient is φ = 20294940.

The previous prime is 20294933. The next prime is 20294951. The reversal of 20294941 is 14949202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 6943225 = 3654^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 20294941 - 23 = 20294933 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 (20294951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10147470 + 10147471.

It is an arithmetic number, because the mean of its divisors is an integer number (10147471).

Almost surely, 220294941 is an apocalyptic number.

It is an amenable number.

20294941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20294941 is an equidigital number, since it uses as much as digits as its factorization.

20294941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20294941 is about 4504.9906770159. The cubic root of 20294941 is about 272.7695775149.

The spelling of 20294941 in words is "twenty million, two hundred ninety-four thousand, nine hundred forty-one".