Search a number
-
+
20222011001 = 173116890237
BaseRepresentation
bin10010110101010100…
…110110011001111001
31221012022021121002102
4102311110312121321
5312403313323001
613142335513145
71314056154203
oct226524663171
957168247072
1020222011001
118637886195
123b043887b5
131ba369a7aa
14d9b997773
157d54c1e6b
hex4b5536679

20222011001 has 4 divisors (see below), whose sum is σ = 20338901412. Its totient is φ = 20105120592.

The previous prime is 20222010983. The next prime is 20222011081. The reversal of 20222011001 is 10011022202.

It is a happy number.

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 18856782400 + 1365228601 = 137320^2 + 36949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20222011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222011081) 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, 58444946 + ... + 58445291.

It is an arithmetic number, because the mean of its divisors is an integer number (5084725353).

Almost surely, 220222011001 is an apocalyptic number.

It is an amenable number.

20222011001 is a deficient number, since it is larger than the sum of its proper divisors (116890411).

20222011001 is a wasteful number, since it uses less digits than its factorization.

20222011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116890410.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20222011001 its reverse (10011022202), we get a palindrome (30233033203).

It can be divided in two parts, 2022201 and 1001, that added together give a palindrome (2023202).

The spelling of 20222011001 in words is "twenty billion, two hundred twenty-two million, eleven thousand, one".

Divisors: 1 173 116890237 20222011001