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20320301230212 = 2235355109579763
BaseRepresentation
bin1001001111011001100000…
…10101100010100010000100
32122221121020201201212211010
410213230300111202202010
510130411434103331322
6111115003441042220
74165044002403324
oct447546025424204
978847221655733
1020320301230212
116524878328045
122342263926370
13b45272028ca9
14503717699284
1525389e96420c
hex127b30562884

20320301230212 has 48 divisors (see below), whose sum is σ = 48309600588480. Its totient is φ = 6645501053568.

The previous prime is 20320301230199. The next prime is 20320301230219. The reversal of 20320301230212 is 21203210302302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20320301230219) 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, 34759443 + ... + 35339205.

It is an arithmetic number, because the mean of its divisors is an integer number (1006450012260).

Almost surely, 220320301230212 is an apocalyptic number.

It is an amenable number.

20320301230212 is an abundant number, since it is smaller than the sum of its proper divisors (27989299358268).

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

20320301230212 is a wasteful number, since it uses less digits than its factorization.

20320301230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634932 (or 634930 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20320301230212 its reverse (21203210302302), we get a palindrome (41523511532514).

The spelling of 20320301230212 in words is "twenty trillion, three hundred twenty billion, three hundred one million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 55109 110218 165327 220436 330654 579763 661308 1159526 1739289 2319052 2920777 3478578 5841554 6957156 8762331 11683108 17524662 30727439 35049324 61454878 92182317 122909756 184364634 368729268 31950159167 63900318334 95850477501 127800636668 191700955002 383401910004 1693358435851 3386716871702 5080075307553 6773433743404 10160150615106 20320301230212