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20022120212020 = 2252343526348287
BaseRepresentation
bin1001000110101110000110…
…10111001110011000110100
32121220002120222112201000121
410203113003113032120310
510111020300233241040
6110330011323021324
74134356542513633
oct443270327163064
977802528481017
1020022120212020
11641a37397a7a3
1222b450766a844
13b231020052a4
144d310bd7151a
1524ac4bd0cc4a
hex1235c35ce634

20022120212020 has 24 divisors (see below), whose sum is σ = 43874559074304. Its totient is φ = 7660637298336.

The previous prime is 20022120211987. The next prime is 20022120212057. The reversal of 20022120212020 is 2021202122002.

It is a junction number, because it is equal to n+sod(n) for n = 20022120211985 and 20022120212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21763173684 + ... + 21763174603.

It is an arithmetic number, because the mean of its divisors is an integer number (1828106628096).

Almost surely, 220022120212020 is an apocalyptic number.

20022120212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022120212020 is an abundant number, since it is smaller than the sum of its proper divisors (23852438862284).

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

20022120212020 is a wasteful number, since it uses less digits than its factorization.

20022120212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43526348319 (or 43526348317 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022120212020 its reverse (2021202122002), we get a palindrome (22043322334022).

The spelling of 20022120212020 in words is "twenty trillion, twenty-two billion, one hundred twenty million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 43526348287 87052696574 174105393148 217631741435 435263482870 870526965740 1001106010601 2002212021202 4004424042404 5005530053005 10011060106010 20022120212020