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20020020000201 = 32131229159787181
BaseRepresentation
bin1001000110101010001100…
…01011100011010111001001
32121212220011121121220000200
410203111012023203113021
510111002000110001301
6110325023100122413
74134253521145254
oct443250613432711
977786147556020
1020020020000201
116419496407551
1222b4020236409
13b22b58b71bc0
144d2d8d06c09b
1524ab77752c86
hex1235462e35c9

20020020000201 has 48 divisors (see below), whose sum is σ = 31187466906960. Its totient is φ = 12302138580480.

The previous prime is 20020020000191. The next prime is 20020020000229. The reversal of 20020020000201 is 10200002002002.

It can be written as a sum of positive squares in 8 ways, for example, as 807884582976 + 19212135417225 = 898824^2 + 4383165^2 .

It is not a de Polignac number, because 20020020000201 - 225 = 20019986445769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20020020000241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229593831 + ... + 229681011.

It is an arithmetic number, because the mean of its divisors is an integer number (649738893895).

Almost surely, 220020020000201 is an apocalyptic number.

It is an amenable number.

20020020000201 is a deficient number, since it is larger than the sum of its proper divisors (11167446906759).

20020020000201 is a wasteful number, since it uses less digits than its factorization.

20020020000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90026 (or 90023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20020020000201 its reverse (10200002002002), we get a palindrome (30220022002203).

The spelling of 20020020000201 in words is "twenty trillion, twenty billion, twenty million, two hundred one", and thus it is an aban number.

Divisors: 1 3 9 13 39 117 1229 1597 3687 4791 11061 14373 15977 20761 47931 62283 87181 143793 186849 261543 784629 1133353 1962713 3400059 5888139 10200177 17664417 25515269 76545807 107145449 139228057 229637421 321436347 417684171 964309041 1253052513 1392890837 1809964741 4178672511 5429894223 12536017533 16289682669 171111282053 513333846159 1540001538477 2224446666689 6673340000067 20020020000201