Search a number
-
+
20122201133 = 47428131939
BaseRepresentation
bin10010101111011000…
…000110110000101101
31220221100110201200122
4102233120012300231
5312202240414013
613124412334325
71311434613266
oct225730066055
956840421618
1020122201133
1185965045a1
123a96a743a5
131b88ac26b8
14d8c61596d
157cb858a08
hex4af606c2d

20122201133 has 4 divisors (see below), whose sum is σ = 20550333120. Its totient is φ = 19694069148.

The previous prime is 20122201109. The next prime is 20122201157. The reversal of 20122201133 is 33110222102.

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 an interprime number because it is at equal distance from previous prime (20122201109) and next prime (20122201157).

It is a cyclic number.

It is not a de Polignac number, because 20122201133 - 212 = 20122197037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122231133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214065923 + ... + 214066016.

It is an arithmetic number, because the mean of its divisors is an integer number (5137583280).

Almost surely, 220122201133 is an apocalyptic number.

It is an amenable number.

20122201133 is a deficient number, since it is larger than the sum of its proper divisors (428131987).

20122201133 is an equidigital number, since it uses as much as digits as its factorization.

20122201133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428131986.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20122201133 its reverse (33110222102), we get a palindrome (53232423235).

The spelling of 20122201133 in words is "twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred thirty-three".

Divisors: 1 47 428131939 20122201133