Search a number
-
+
20020202220001 = 35695956085439
BaseRepresentation
bin1001000110101010100010…
…00010101010100111100001
32121212220122022111121121011
410203111101002222213201
510111002333232020001
6110325053125500521
74134261163040314
oct443252102524741
977786568447534
1020020202220001
11641957a255a25
1222b4071271741
13b22b87842279
144d2da934297b
1524ab88748d51
hex1235510aa9e1

20020202220001 has 4 divisors (see below), whose sum is σ = 20020258662400. Its totient is φ = 20020145777604.

The previous prime is 20020202219987. The next prime is 20020202220013. The reversal of 20020202220001 is 10002220202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020202220001 - 29 = 20020202219489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020202220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27685761 + ... + 28399678.

It is an arithmetic number, because the mean of its divisors is an integer number (5005064665600).

Almost surely, 220020202220001 is an apocalyptic number.

It is an amenable number.

20020202220001 is a deficient number, since it is larger than the sum of its proper divisors (56442399).

20020202220001 is an equidigital number, since it uses as much as digits as its factorization.

20020202220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56442398.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020202220001 its reverse (10002220202002), we get a palindrome (30022422422003).

The spelling of 20020202220001 in words is "twenty trillion, twenty billion, two hundred two million, two hundred twenty thousand, one".

Divisors: 1 356959 56085439 20020202220001