Search a number
-
+
20300320131032 = 2317793032362311
BaseRepresentation
bin1001001110110100010010…
…10111101100011111011000
32122212200200012202212121202
410213122021113230133120
510130100023423143112
6111101501024453332
74163435600020004
oct447321127543730
978780605685552
1020300320131032
116517354538537
12233a40817a248
13b4340953b396
1450277dad3704
152530d06cd6c2
hex1276895ec7d8

20300320131032 has 64 divisors (see below), whose sum is σ = 40814260300800. Its totient is φ = 9431704189440.

The previous prime is 20300320131031. The next prime is 20300320131037. The reversal of 20300320131032 is 23013102300302.

It is a junction number, because it is equal to n+sod(n) for n = 20300320130995 and 20300320131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300320131031) 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, 325759157 + ... + 325821467.

It is an arithmetic number, because the mean of its divisors is an integer number (637722817200).

Almost surely, 220300320131032 is an apocalyptic number.

It is an amenable number.

20300320131032 is an abundant number, since it is smaller than the sum of its proper divisors (20513940169768).

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

20300320131032 is a wasteful number, since it uses less digits than its factorization.

20300320131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92736 (or 92732 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20300320131032 its reverse (23013102300302), we get a palindrome (43313422431334).

The spelling of 20300320131032 in words is "twenty trillion, three hundred billion, three hundred twenty million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 17 34 68 79 136 158 316 632 1343 2686 5372 10744 30323 60646 62311 121292 124622 242584 249244 498488 515491 1030982 1059287 2061964 2118574 2395517 4123928 4237148 4791034 4922569 8474296 9582068 9845138 19164136 19690276 39380552 40723789 81447578 83683673 162895156 167367346 325790312 334734692 669469384 1889456453 3778912906 7557825812 15115651624 32120759701 64241519402 128483038804 149267059787 256966077608 298534119574 597068239148 1194136478296 2537540016379 5075080032758 10150160065516 20300320131032