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2020410205 = 51123339521
BaseRepresentation
bin111100001101101…
…0000001101011101
312012210202110202121
41320123100031131
513114211111310
6532252222541
7101032126522
oct17033201535
95183673677
102020410205
11947518100
1248476aa51
132627723c8
1415248d149
15bc5950da
hex786d035d

2020410205 has 12 divisors (see below), whose sum is σ = 2664938556. Its totient is φ = 1469388800.

The previous prime is 2020410181. The next prime is 2020410211. The reversal of 2020410205 is 5020140202.

It can be written as a sum of positive squares in 2 ways, for example, as 705114916 + 1315295289 = 26554^2 + 36267^2 .

It is not a de Polignac number, because 2020410205 - 25 = 2020410173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1669156 + ... + 1670365.

It is an arithmetic number, because the mean of its divisors is an integer number (222078213).

Almost surely, 22020410205 is an apocalyptic number.

It is an amenable number.

2020410205 is a deficient number, since it is larger than the sum of its proper divisors (644528351).

2020410205 is a wasteful number, since it uses less digits than its factorization.

2020410205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339548 (or 3339537 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2020410205 is about 44948.9733475638. The cubic root of 2020410205 is about 1264.1924272164.

Adding to 2020410205 its reverse (5020140202), we get a palindrome (7040550407).

The spelling of 2020410205 in words is "two billion, twenty million, four hundred ten thousand, two hundred five".

Divisors: 1 5 11 55 121 605 3339521 16697605 36734731 183673655 404082041 2020410205