Search a number
-
+
20012323213332 = 22325633671268969
BaseRepresentation
bin1001000110011011110110…
…11010101001000000010100
32121212011022012202121100100
410203031323122221000110
510110340214220311312
6110321311231214100
74133562011426352
oct443157332510024
977764265677310
1020012323213332
1164161a680866a
1222b2632677330
13b222003b3248
144d285cb727d2
1524a876b9d5dc
hex12337b6a9014

20012323213332 has 72 divisors (see below), whose sum is σ = 50690550980160. Its totient is φ = 6657087104640.

The previous prime is 20012323213327. The next prime is 20012323213433. The reversal of 20012323213332 is 23331232321002.

20012323213332 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 2 + 3 + 2 + 321 + 3 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20012323213296 and 20012323213305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74269344 + ... + 74538312.

It is an arithmetic number, because the mean of its divisors is an integer number (704035430280).

Almost surely, 220012323213332 is an apocalyptic number.

It is an amenable number.

20012323213332 is an abundant number, since it is smaller than the sum of its proper divisors (30678227766828).

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

20012323213332 is a wasteful number, since it uses less digits than its factorization.

20012323213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273213 (or 273208 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20012323213332 its reverse (23331232321002), we get a palindrome (43343555534334).

The spelling of 20012323213332 in words is "twenty trillion, twelve billion, three hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 563 1126 1689 2252 3378 3671 5067 6756 7342 10134 11013 14684 20268 22026 33039 44052 66078 132156 268969 537938 806907 1075876 1613814 2066773 2420721 3227628 4133546 4841442 6200319 8267092 9682884 12400638 18600957 24801276 37201914 74403828 151429547 302859094 454288641 605718188 908577282 987385199 1362865923 1817154564 1974770398 2725731846 2962155597 3949540796 5451463692 5924311194 8886466791 11848622388 17772933582 35545867164 555897867037 1111795734074 1667693601111 2223591468148 3335387202222 5003080803333 6670774404444 10006161606666 20012323213332