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20210201222 = 217594417683
BaseRepresentation
bin10010110100100111…
…110011001010000110
31221011111001121010012
4102310213303022012
5312342302414342
613141234430222
71313553606311
oct226447631206
957144047105
1020210201222
11863114a342
123b00432372
131ba10c4263
14d9a1a1978
157d443cb82
hex4b49f3286

20210201222 has 8 divisors (see below), whose sum is σ = 32098554936. Its totient is φ = 9510682912.

The previous prime is 20210201173. The next prime is 20210201227. The reversal of 20210201222 is 22210201202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20210201197 and 20210201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210201227) 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 3 ways as a sum of consecutive naturals, for example, 297208808 + ... + 297208875.

It is an arithmetic number, because the mean of its divisors is an integer number (4012319367).

Almost surely, 220210201222 is an apocalyptic number.

20210201222 is a deficient number, since it is larger than the sum of its proper divisors (11888353714).

20210201222 is a wasteful number, since it uses less digits than its factorization.

20210201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594417702.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20210201222 its reverse (22210201202), we get a palindrome (42420402424).

The spelling of 20210201222 in words is "twenty billion, two hundred ten million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 17 34 594417683 1188835366 10105100611 20210201222