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20002344330 = 2351739220283
BaseRepresentation
bin10010101000001110…
…111000110110001010
31220121222221101001210
4102220032320312022
5311431100004310
613104451353550
71305451056453
oct225016706612
956558841053
1020002344330
118534890391
123a628b28b6
131b6a018a07
14d7a73612a
157c1080820
hex4a83b8d8a

20002344330 has 32 divisors (see below), whose sum is σ = 50829488064. Its totient is φ = 5020196096.

The previous prime is 20002344317. The next prime is 20002344331. The reversal of 20002344330 is 3344320002.

It is a junction number, because it is equal to n+sod(n) for n = 20002344297 and 20002344306.

It is not an unprimeable number, because it can be changed into a prime (20002344331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19609632 + ... + 19610651.

It is an arithmetic number, because the mean of its divisors is an integer number (1588421502).

Almost surely, 220002344330 is an apocalyptic number.

20002344330 is an abundant number, since it is smaller than the sum of its proper divisors (30827143734).

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

20002344330 is a wasteful number, since it uses less digits than its factorization.

20002344330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39220310.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20002344330 its reverse (3344320002), we get a palindrome (23346664332).

The spelling of 20002344330 in words is "twenty billion, two million, three hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 39220283 78440566 117660849 196101415 235321698 392202830 588304245 666744811 1176608490 1333489622 2000234433 3333724055 4000468866 6667448110 10001172165 20002344330