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20123003202330 = 2357234166253251
BaseRepresentation
bin1001001001101010000000…
…11101010010101100011010
32122020201222200200121021010
410210311000131102230122
510114143402304433310
6110444214031354350
74144560531005130
oct444650035225432
978221880617233
1020123003202330
11645913277a556
12230bb810829b6
13b2c78b7340b2
144d7d5c3a1750
1524d6a3814320
hex124d40752b1a

20123003202330 has 64 divisors (see below), whose sum is σ = 57594284955648. Its totient is φ = 4399563432000.

The previous prime is 20123003202299. The next prime is 20123003202347. The reversal of 20123003202330 is 3320230032102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20123003202297 and 20123003202306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2083121796 + ... + 2083131455.

It is an arithmetic number, because the mean of its divisors is an integer number (899910702432).

Almost surely, 220123003202330 is an apocalyptic number.

20123003202330 is an abundant number, since it is smaller than the sum of its proper divisors (37471281753318).

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

20123003202330 is a wasteful number, since it uses less digits than its factorization.

20123003202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166253291.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20123003202330 its reverse (3320230032102), we get a palindrome (23443233234432).

The spelling of 20123003202330 in words is "twenty trillion, one hundred twenty-three billion, three million, two hundred two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 322 345 483 690 805 966 1610 2415 4830 4166253251 8332506502 12498759753 20831266255 24997519506 29163772757 41662532510 58327545514 62493798765 87491318271 95823824773 124987597530 145818863785 174982636542 191647649546 287471474319 291637727570 437456591355 479119123865 574942948638 670766773411 874913182710 958238247730 1341533546822 1437357371595 2012300320233 2874714743190 3353833867055 4024600640466 6707667734110 10061501601165 20123003202330