Search a number
-
+
20321102332011 = 313839343671921
BaseRepresentation
bin1001001111011011000000…
…00101100000000001101011
32122221200022120011001220010
410213231200011200001223
510130420104144111021
6111115215135303003
74165102600556145
oct447554005400153
978850276131803
1020321102332011
116525149550748
12234244807aa63
13b4536bca6520
14503791c2dc95
152538e9e57976
hex127b6016006b

20321102332011 has 32 divisors (see below), whose sum is σ = 29533777846272. Its totient is φ = 12353286827520.

The previous prime is 20321102331991. The next prime is 20321102332021. The reversal of 20321102332011 is 11023320112302.

It is not a de Polignac number, because 20321102332011 - 218 = 20321102069867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321102332021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29907331 + ... + 30579251.

It is an arithmetic number, because the mean of its divisors is an integer number (922930557696).

Almost surely, 220321102332011 is an apocalyptic number.

20321102332011 is a deficient number, since it is larger than the sum of its proper divisors (9212675514261).

20321102332011 is a wasteful number, since it uses less digits than its factorization.

20321102332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681363.

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

Adding to 20321102332011 its reverse (11023320112302), we get a palindrome (31344422444313).

The spelling of 20321102332011 in words is "twenty trillion, three hundred twenty-one billion, one hundred two million, three hundred thirty-two thousand, eleven".

Divisors: 1 3 13 39 83 249 1079 3237 9343 28029 121459 364377 671921 775469 2015763 2326407 8734973 10081097 26204919 30243291 55769443 167308329 725002759 2175008277 6277757903 18833273709 81610852739 244832558217 521053905949 1563161717847 6773700777337 20321102332011