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20001310230 = 23511173350347
BaseRepresentation
bin10010101000001010…
…111100011000010110
31220121220222211112210
4102220022330120112
5311430313411410
613104413254250
71305436221546
oct225012743026
956556884483
1020001310230
118534244460
123a62494386
131b69a46115
14d7a547326
157c0e29220
hex4a82bc616

20001310230 has 64 divisors (see below), whose sum is σ = 52669916928. Its totient is φ = 4820760960.

The previous prime is 20001310213. The next prime is 20001310249. The reversal of 20001310230 is 3201310002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118084 + ... + 232263.

It is an arithmetic number, because the mean of its divisors is an integer number (822967452).

Almost surely, 220001310230 is an apocalyptic number.

20001310230 is an abundant number, since it is smaller than the sum of its proper divisors (32668606698).

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

20001310230 is a wasteful number, since it uses less digits than its factorization.

20001310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350541.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20001310230 its reverse (3201310002), we get a palindrome (23202620232).

The spelling of 20001310230 in words is "twenty billion, one million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 173 330 346 519 865 1038 1730 1903 2595 3806 5190 5709 9515 11418 19030 28545 57090 350347 700694 1051041 1751735 2102082 3503470 3853817 5255205 7707634 10510410 11561451 19269085 23122902 38538170 57807255 60610031 115614510 121220062 181830093 303050155 363660186 606100310 666710341 909150465 1333420682 1818300930 2000131023 3333551705 4000262046 6667103410 10000655115 20001310230