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20223223331 = 109443418813
BaseRepresentation
bin10010110101011001…
…011110011000100011
31221012101120012002112
4102311121132120203
5312404121121311
613142421505535
71314102363533
oct226531363043
957171505075
1020223223331
118638534013
123b048722ab
131ba3a0354c
14d9bbd14c3
157d566128b
hex4b565e623

20223223331 has 8 divisors (see below), whose sum is σ = 20454875760. Its totient is φ = 19992409632.

The previous prime is 20223223297. The next prime is 20223223369. The reversal of 20223223331 is 13332232202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20223223331 is a prime.

It is a super-2 number, since 2×202232233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223223297 and 20223223306.

It is not an unprimeable number, because it can be changed into a prime (20223123331) 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, 161120 + ... + 257693.

It is an arithmetic number, because the mean of its divisors is an integer number (2556859470).

Almost surely, 220223223331 is an apocalyptic number.

20223223331 is a deficient number, since it is larger than the sum of its proper divisors (231652429).

20223223331 is a wasteful number, since it uses less digits than its factorization.

20223223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419365.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20223223331 its reverse (13332232202), we get a palindrome (33555455533).

The spelling of 20223223331 in words is "twenty billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 109 443 48287 418813 45650617 185534159 20223223331