Search a number
-
+
2020322101 = 7288617443
BaseRepresentation
bin111100001101011…
…1010101100110101
312012210120222220111
41320122322230311
513114200301401
6532250303021
7101031311620
oct17032725465
95183528814
102020322101
11947467996
12484727a71
13262741285
14152468db7
15bc578e51
hex786bab35

2020322101 has 4 divisors (see below), whose sum is σ = 2308939552. Its totient is φ = 1731704652.

The previous prime is 2020322081. The next prime is 2020322107. The reversal of 2020322101 is 1012230202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1012230202 = 2506115101.

It is a cyclic number.

It is not a de Polignac number, because 2020322101 - 217 = 2020191029 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 (2020322107) 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, 144308715 + ... + 144308728.

It is an arithmetic number, because the mean of its divisors is an integer number (577234888).

Almost surely, 22020322101 is an apocalyptic number.

It is an amenable number.

2020322101 is a deficient number, since it is larger than the sum of its proper divisors (288617451).

2020322101 is an equidigital number, since it uses as much as digits as its factorization.

2020322101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288617450.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020322101 is about 44947.9932922483. The cubic root of 2020322101 is about 1264.1740510754.

Adding to 2020322101 its reverse (1012230202), we get a palindrome (3032552303).

The spelling of 2020322101 in words is "two billion, twenty million, three hundred twenty-two thousand, one hundred one".

Divisors: 1 7 288617443 2020322101