Search a number
-
+
20033210010001 = 28649699263849
BaseRepresentation
bin1001000111000010110000…
…10111011100100110010001
32121221011012211221210221011
410203201120113130212101
510111211003230310001
6110335043555530521
74135231422321316
oct443413027344621
977834184853834
1020033210010001
1164240448710a1
1222b66a15b9a41
13b2417b710926
144d3880b38d0d
1524b19a6d8d51
hex1238585dc991

20033210010001 has 4 divisors (see below), whose sum is σ = 20033909302500. Its totient is φ = 20032510717504.

The previous prime is 20033210009993. The next prime is 20033210010071. The reversal of 20033210010001 is 10001001233002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3415846936401 + 16617363073600 = 1848201^2 + 4076440^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033210010001 - 23 = 20033210009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033210010071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349603276 + ... + 349660573.

It is an arithmetic number, because the mean of its divisors is an integer number (5008477325625).

Almost surely, 220033210010001 is an apocalyptic number.

It is an amenable number.

20033210010001 is a deficient number, since it is larger than the sum of its proper divisors (699292499).

20033210010001 is an equidigital number, since it uses as much as digits as its factorization.

20033210010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699292498.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20033210010001 its reverse (10001001233002), we get a palindrome (30034211243003).

The spelling of 20033210010001 in words is "twenty trillion, thirty-three billion, two hundred ten million, ten thousand, one".

Divisors: 1 28649 699263849 20033210010001