Search a number
-
+
2020863829 is a prime number
BaseRepresentation
bin111100001110011…
…1110111101010101
312012211121112000111
41320130332331111
513114320120304
6532310043021
7101036026165
oct17034767525
95184545014
102020863829
119477a79a6
12484949471
132628a0a1a
1415256a5a5
15bc634704
hex7873ef55

2020863829 has 2 divisors, whose sum is σ = 2020863830. Its totient is φ = 2020863828.

The previous prime is 2020863809. The next prime is 2020863833. The reversal of 2020863829 is 9283680202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682230225 + 338633604 = 41015^2 + 18402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020863829 - 27 = 2020863701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020863791 and 2020863800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020863809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010431914 + 1010431915.

It is an arithmetic number, because the mean of its divisors is an integer number (1010431915).

Almost surely, 22020863829 is an apocalyptic number.

It is an amenable number.

2020863829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020863829 is an equidigital number, since it uses as much as digits as its factorization.

2020863829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2020863829 is about 44954.0190528055. The cubic root of 2020863829 is about 1264.2870326107.

The spelling of 2020863829 in words is "two billion, twenty million, eight hundred sixty-three thousand, eight hundred twenty-nine".