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2020420424 = 231122959323
BaseRepresentation
bin111100001101101…
…0010101101001000
312012210202222210002
41320123102231020
513114211423144
6532252342132
7101032201361
oct17033225510
95183688702
102020420424
11947524850
12484774948
13262776c59
14152492b68
15bc59814e
hex786d2b48

2020420424 has 16 divisors (see below), whose sum is σ = 4132678320. Its totient is φ = 918372880.

The previous prime is 2020420421. The next prime is 2020420429. The reversal of 2020420424 is 4240240202.

It is a junction number, because it is equal to n+sod(n) for n = 2020420396 and 2020420405.

It is not an unprimeable number, because it can be changed into a prime (2020420421) 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, 11479574 + ... + 11479749.

It is an arithmetic number, because the mean of its divisors is an integer number (258292395).

Almost surely, 22020420424 is an apocalyptic number.

It is an amenable number.

2020420424 is an abundant number, since it is smaller than the sum of its proper divisors (2112257896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020420424 is a wasteful number, since it uses less digits than its factorization.

2020420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959340 (or 22959336 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2020420424 is about 44949.0870207616. The cubic root of 2020420424 is about 1264.1945585923.

Adding to 2020420424 its reverse (4240240202), we get a palindrome (6260660626).

The spelling of 2020420424 in words is "two billion, twenty million, four hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 22959323 45918646 91837292 183674584 252552553 505105106 1010210212 2020420424