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20002331000 = 235320002331
BaseRepresentation
bin10010101000001110…
…110101100101111000
31220121222220200210002
4102220032311211320
5311431044043000
613104451212132
71305451002551
oct225016654570
956558820702
1020002331000
118534881373
123a628a7048
131b6a012922
14d7a731328
157c107b8d5
hex4a83b5978

20002331000 has 32 divisors (see below), whose sum is σ = 46805456880. Its totient is φ = 8000932000.

The previous prime is 20002330939. The next prime is 20002331009. The reversal of 20002331000 is 13320002.

It is a super-2 number, since 2×200023310002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002331009) 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 7 ways as a sum of consecutive naturals, for example, 10000166 + ... + 10002165.

Almost surely, 220002331000 is an apocalyptic number.

20002331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002331000 is an abundant number, since it is smaller than the sum of its proper divisors (26803125880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002331000 is a wasteful number, since it uses less digits than its factorization.

20002331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002352 (or 20002338 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20002331000 its reverse (13320002), we get a palindrome (20015651002).

The spelling of 20002331000 in words is "twenty billion, two million, three hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 20002331 40004662 80009324 100011655 160018648 200023310 400046620 500058275 800093240 1000116550 2000233100 2500291375 4000466200 5000582750 10001165500 20002331000