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20323123230120 = 2335444138135411
BaseRepresentation
bin1001001111011110110001…
…00010100111010110101000
32122221212112101211022221020
410213233120202213112220
510130433224021330440
6111120151450212440
74165203640120314
oct447573042472650
978855471738836
1020323123230120
116525a96271377
122342910a24120
13b45601889a19
145039043a8b44
152539b75973d0
hex127bd88a75a8

20323123230120 has 64 divisors (see below), whose sum is σ = 60983100037440. Its totient is φ = 5418279052800.

The previous prime is 20323123230103. The next prime is 20323123230133. The reversal of 20323123230120 is 2103232132302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18534786 + ... + 19600625.

It is an arithmetic number, because the mean of its divisors is an integer number (952860938085).

Almost surely, 220323123230120 is an apocalyptic number.

20323123230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323123230120 is an abundant number, since it is smaller than the sum of its proper divisors (40659976807320).

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

20323123230120 is a wasteful number, since it uses less digits than its factorization.

20323123230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38139866 (or 38139862 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20323123230120 its reverse (2103232132302), we get a palindrome (22426355362422).

The spelling of 20323123230120 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4441 8882 13323 17764 22205 26646 35528 44410 53292 66615 88820 106584 133230 177640 266460 532920 38135411 76270822 114406233 152541644 190677055 228812466 305083288 381354110 457624932 572031165 762708220 915249864 1144062330 1525416440 2288124660 4576249320 169359360251 338718720502 508078080753 677437441004 846796801255 1016156161506 1354874882008 1693593602510 2032312323012 2540390403765 3387187205020 4064624646024 5080780807530 6774374410040 10161561615060 20323123230120