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2020840339 = 75310335273
BaseRepresentation
bin111100001110011…
…1001001110010011
312012211120022210111
41320130321032103
513114313342324
6532305342151
7101035600540
oct17034711623
95184508714
102020840339
11947791291
12484937957
1326289311b
14152561bc7
15bc62c794
hex78739393

2020840339 has 16 divisors (see below), whose sum is σ = 2355832512. Its totient is φ = 1697499648.

The previous prime is 2020840313. The next prime is 2020840343. The reversal of 2020840339 is 9330480202.

It is a cyclic number.

It is not a de Polignac number, because 2020840339 - 213 = 2020832147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020840339.

It is not an unprimeable number, because it can be changed into a prime (2020840309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380607 + ... + 385879.

It is an arithmetic number, because the mean of its divisors is an integer number (147239532).

Almost surely, 22020840339 is an apocalyptic number.

2020840339 is a deficient number, since it is larger than the sum of its proper divisors (334992173).

2020840339 is a wasteful number, since it uses less digits than its factorization.

2020840339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2020840339 is about 44953.7577850840. The cubic root of 2020840339 is about 1264.2821340096.

The spelling of 2020840339 in words is "two billion, twenty million, eight hundred forty thousand, three hundred thirty-nine".

Divisors: 1 7 53 371 1033 5273 7231 36911 54749 279469 383243 1956283 5447009 38129063 288691477 2020840339