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20301223330 = 2592911631879
BaseRepresentation
bin10010111010000011…
…000001010110100010
31221101211022222222101
4102322003001112202
5313034103121310
613154245401014
71316040360013
oct227203012642
957354288871
1020301223330
118678569623
123b26a0916a
131bb6c134ab
14da82d700a
157dc41c43a
hex4ba0c15a2

20301223330 has 32 divisors (see below), whose sum is σ = 36632476800. Its totient is φ = 8100460032.

The previous prime is 20301223223. The next prime is 20301223351. The reversal of 20301223330 is 3332210302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20301223298 and 20301223307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10803331 + ... + 10805209.

It is an arithmetic number, because the mean of its divisors is an integer number (1144764900).

Almost surely, 220301223330 is an apocalyptic number.

20301223330 is a deficient number, since it is larger than the sum of its proper divisors (16331253470).

20301223330 is a wasteful number, since it uses less digits than its factorization.

20301223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20301223330 its reverse (3332210302), we get a palindrome (23633433632).

The spelling of 20301223330 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 929 1163 1858 1879 2326 3758 4645 5815 9290 9395 11630 18790 1080427 1745591 2160854 2185277 3491182 4370554 5402135 8727955 10804270 10926385 17455910 21852770 2030122333 4060244666 10150611665 20301223330