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2020112011 = 23280131357
BaseRepresentation
bin111100001101000…
…0111011010001011
312012210012022201101
41320122013122023
513114122041021
6532242002231
7101026445251
oct17032073213
95183168641
102020112011
11947334065
12484646377
13262699768
141524125d1
15bc536a91
hex7868768b

2020112011 has 8 divisors (see below), whose sum is σ = 2108762784. Its totient is φ = 1931529600.

The previous prime is 2020111967. The next prime is 2020112063. The reversal of 2020112011 is 1102110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020112011 - 223 = 2011723403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020112411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48745 + ... + 80101.

It is an arithmetic number, because the mean of its divisors is an integer number (263595348).

Almost surely, 22020112011 is an apocalyptic number.

2020112011 is a deficient number, since it is larger than the sum of its proper divisors (88650773).

2020112011 is a wasteful number, since it uses less digits than its factorization.

2020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34181.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2020112011 is about 44945.6561972345. The cubic root of 2020112011 is about 1264.1302297572.

Adding to 2020112011 its reverse (1102110202), we get a palindrome (3122222213).

The spelling of 2020112011 in words is "two billion, twenty million, one hundred twelve thousand, eleven".

Divisors: 1 23 2801 31357 64423 721211 87830957 2020112011