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20201111222 = 211518775461
BaseRepresentation
bin10010110100000101…
…000111111010110110
31221010211221202222112
4102310011013322312
5312332441024342
613140311531022
71313413416665
oct226405077266
957124852875
1020201111222
118627000946
123ab9389a72
131b9c260966
14d98cb6ddc
157d3744682
hex4b4147eb6

20201111222 has 8 divisors (see below), whose sum is σ = 30327996672. Its totient is φ = 10091779000.

The previous prime is 20201111207. The next prime is 20201111323. The reversal of 20201111222 is 22211110202.

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

It is a super-2 number, since 2×202011112222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201111197 and 20201111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385429 + ... + 4390032.

It is an arithmetic number, because the mean of its divisors is an integer number (3790999584).

Almost surely, 220201111222 is an apocalyptic number.

20201111222 is a deficient number, since it is larger than the sum of its proper divisors (10126885450).

20201111222 is a wasteful number, since it uses less digits than its factorization.

20201111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776614.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201111222 its reverse (22211110202), we get a palindrome (42412221424).

The spelling of 20201111222 in words is "twenty billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 1151 2302 8775461 17550922 10100555611 20201111222