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20330223019 = 374051135637
BaseRepresentation
bin10010111011110001…
…101001010110101011
31221110211220100001221
4102323301221112223
5313114014114034
613201203122511
71316542021141
oct227361512653
957424810057
1020330223019
118692976507
123b34673437
131bbcc28082
14dac0c5591
157dec49bb4
hex4bbc695ab

20330223019 has 8 divisors (see below), whose sum is σ = 20884996688. Its totient is φ = 19775728800.

The previous prime is 20330222993. The next prime is 20330223031. The reversal of 20330223019 is 91032203302.

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-20330223019 is a prime.

It is a super-2 number, since 2×203302230192 (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 = 20330222984 and 20330223002.

It is not an unprimeable number, because it can be changed into a prime (20330223049) 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, 82069 + ... + 217705.

It is an arithmetic number, because the mean of its divisors is an integer number (2610624586).

Almost surely, 220330223019 is an apocalyptic number.

20330223019 is a deficient number, since it is larger than the sum of its proper divisors (554773669).

20330223019 is a wasteful number, since it uses less digits than its factorization.

20330223019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139725.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 20330223019 in words is "twenty billion, three hundred thirty million, two hundred twenty-three thousand, nineteen".

Divisors: 1 37 4051 135637 149887 5018569 549465487 20330223019