Search a number
-
+
2020213045231 = 5750093513359
BaseRepresentation
bin11101011001011110000…
…101001011011111101111
321011010112010020221022221
4131121132011023133233
5231044344014421411
64144023440420211
7265645522361053
oct35313605133757
97133463227287
102020213045231
11709849662947
12287645317667
13118675112c74
146dac9191c63
153783c7cd071
hex1d65e14b7ef

2020213045231 has 4 divisors (see below), whose sum is σ = 2020217133600. Its totient is φ = 2020208956864.

The previous prime is 2020213045141. The next prime is 2020213045241. The reversal of 2020213045231 is 1325403120202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020213045231 - 239 = 1470457231343 is a prime.

It is a super-2 number, since 2×20202130452312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020213045196 and 2020213045205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020213045241) 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, 1181671 + ... + 2331688.

It is an arithmetic number, because the mean of its divisors is an integer number (505054283400).

Almost surely, 22020213045231 is an apocalyptic number.

2020213045231 is a deficient number, since it is larger than the sum of its proper divisors (4088369).

2020213045231 is an equidigital number, since it uses as much as digits as its factorization.

2020213045231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088368.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2020213045231 its reverse (1325403120202), we get a palindrome (3345616165433).

The spelling of 2020213045231 in words is "two trillion, twenty billion, two hundred thirteen million, forty-five thousand, two hundred thirty-one".

Divisors: 1 575009 3513359 2020213045231