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20320203133032 = 2331176970466413
BaseRepresentation
bin1001001111011001010100…
…11111010101000001101000
32122221120222220011000210020
410213230222133111001220
510130411234000224112
6111114550014320440
74165041401524605
oct447545237250150
978846886130706
1020320203133032
116524827a161a0
122342236ab9120
13b4525790061a
145037086416ac
1525389603848c
hex127b2a7d5068

20320203133032 has 32 divisors (see below), whose sum is σ = 55418735818080. Its totient is φ = 6157637312960.

The previous prime is 20320203133003. The next prime is 20320203133091. The reversal of 20320203133032 is 23033130202302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20320203132993 and 20320203133011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38485232943 + ... + 38485233470.

It is an arithmetic number, because the mean of its divisors is an integer number (1731835494315).

Almost surely, 220320203133032 is an apocalyptic number.

20320203133032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20320203133032 is an abundant number, since it is smaller than the sum of its proper divisors (35098532685048).

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

20320203133032 is a wasteful number, since it uses less digits than its factorization.

20320203133032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76970466433 (or 76970466429 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20320203133032 its reverse (23033130202302), we get a palindrome (43353333335334).

The spelling of 20320203133032 in words is "twenty trillion, three hundred twenty billion, two hundred three million, one hundred thirty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 76970466413 153940932826 230911399239 307881865652 461822798478 615763731304 846675130543 923645596956 1693350261086 1847291193912 2540025391629 3386700522172 5080050783258 6773401044344 10160101566516 20320203133032