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20627062801 is a prime number
BaseRepresentation
bin10011001101011110…
…000000000000010001
31222020112110100200221
4103031132000000101
5314221012002201
613250445313041
71330105066222
oct231536000021
958215410627
1020627062801
118825491644
123bb7b65781
131c3958a607
14dd96b5249
1580ad324a1
hex4cd780011

20627062801 has 2 divisors, whose sum is σ = 20627062802. Its totient is φ = 20627062800.

The previous prime is 20627062733. The next prime is 20627062811. The reversal of 20627062801 is 10826072602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20387556225 + 239506576 = 142785^2 + 15476^2 .

It is a cyclic number.

It is not a de Polignac number, because 20627062801 - 215 = 20627030033 is a prime.

It is not a weakly prime, because it can be changed into another prime (20627062811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10313531400 + 10313531401.

It is an arithmetic number, because the mean of its divisors is an integer number (10313531401).

Almost surely, 220627062801 is an apocalyptic number.

It is an amenable number.

20627062801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20627062801 is an equidigital number, since it uses as much as digits as its factorization.

20627062801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 20627062801 in words is "twenty billion, six hundred twenty-seven million, sixty-two thousand, eight hundred one".