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20301311221230 = 2351352054644157
BaseRepresentation
bin1001001110110110001000…
…11100011001110111101110
32122212210020021200110210010
410213123010130121313232
510130104041133034410
6111102143231154050
74163502263111544
oct447330434316756
978783207613703
1020301311221230
116517812a26246
12233a644075926
13b43536978ca0
145028355a1d94
1525313c6eec20
hex1276c4719dee

20301311221230 has 32 divisors (see below), whose sum is σ = 52471081311264. Its totient is φ = 4997245838976.

The previous prime is 20301311221229. The next prime is 20301311221249. The reversal of 20301311221230 is 3212211310302.

It is a super-2 number, since 2×203013112212302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20301311221197 and 20301311221206.

It is a congruent number.

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, 26027321689 + ... + 26027322468.

It is an arithmetic number, because the mean of its divisors is an integer number (1639721290977).

Almost surely, 220301311221230 is an apocalyptic number.

20301311221230 is an abundant number, since it is smaller than the sum of its proper divisors (32169770090034).

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

20301311221230 is a wasteful number, since it uses less digits than its factorization.

20301311221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52054644180.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20301311221230 its reverse (3212211310302), we get a palindrome (23513522531532).

The spelling of 20301311221230 in words is "twenty trillion, three hundred one billion, three hundred eleven million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 52054644157 104109288314 156163932471 260273220785 312327864942 520546441570 676710374041 780819662355 1353420748082 1561639324710 2030131122123 3383551870205 4060262244246 6767103740410 10150655610615 20301311221230