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200020021999 = 7171680840521
BaseRepresentation
bin1011101001001000011…
…1110101001011101111
3201010021201221220111221
42322102013311023233
511234120111200444
6231515443124211
720310453064120
oct2722207651357
9633251856457
10200020021999
11779120a7006
1232922373667
1315b2850c605
149976a14047
15530a0cba84
hex2e921f52ef

200020021999 has 8 divisors (see below), whose sum is σ = 242041035168. Its totient is φ = 161360689920.

The previous prime is 200020021991. The next prime is 200020022009. The reversal of 200020021999 is 999120020002.

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

It is a cyclic number.

It is not a de Polignac number, because 200020021999 - 23 = 200020021991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020021991) 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, 840420142 + ... + 840420379.

It is an arithmetic number, because the mean of its divisors is an integer number (30255129396).

Almost surely, 2200020021999 is an apocalyptic number.

200020021999 is a deficient number, since it is larger than the sum of its proper divisors (42021013169).

200020021999 is a wasteful number, since it uses less digits than its factorization.

200020021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680840545.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 200020021999 in words is "two hundred billion, twenty million, twenty-one thousand, nine hundred ninety-nine".

Divisors: 1 7 17 119 1680840521 11765883647 28574288857 200020021999