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20580425353 is a prime number
BaseRepresentation
bin10011001010101100…
…000101111010001001
31222010021200221011001
4103022230011322021
5314122042102403
613242101535001
71326000505045
oct231254057211
958107627131
1020580425353
1188011281a4
123ba4414461
131c2ca0b8a7
14dd3415025
15806bbdc1d
hex4cab05e89

20580425353 has 2 divisors, whose sum is σ = 20580425354. Its totient is φ = 20580425352.

The previous prime is 20580425321. The next prime is 20580425357. The reversal of 20580425353 is 35352408502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17782755904 + 2797669449 = 133352^2 + 52893^2 .

It is a cyclic number.

It is not a de Polignac number, because 20580425353 - 25 = 20580425321 is a prime.

It is not a weakly prime, because it can be changed into another prime (20580425357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290212676 + 10290212677.

It is an arithmetic number, because the mean of its divisors is an integer number (10290212677).

Almost surely, 220580425353 is an apocalyptic number.

It is an amenable number.

20580425353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20580425353 is an equidigital number, since it uses as much as digits as its factorization.

20580425353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 20580425353 in words is "twenty billion, five hundred eighty million, four hundred twenty-five thousand, three hundred fifty-three".