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20320231300 = 2252593444107
BaseRepresentation
bin10010111011001011…
…100001111110000100
31221110011002201000021
4102323023201332010
5313103434400200
613200205024524
71316361054565
oct227313417604
957404081007
1020320231300
118688271596
123b31255144
131bbab3a205
14daaa4416c
157dde2441a
hex4bb2e1f84

20320231300 has 36 divisors (see below), whose sum is σ = 44842286160. Its totient is φ = 7990325920.

The previous prime is 20320231289. The next prime is 20320231319. The reversal of 20320231300 is 313202302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716154 + ... + 1727953.

It is an arithmetic number, because the mean of its divisors is an integer number (1245619060).

Almost surely, 220320231300 is an apocalyptic number.

20320231300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320231300 is an abundant number, since it is smaller than the sum of its proper divisors (24522054860).

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

20320231300 is a wasteful number, since it uses less digits than its factorization.

20320231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444180 (or 3444173 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20320231300 its reverse (313202302), we get a palindrome (20633433602).

The spelling of 20320231300 in words is "twenty billion, three hundred twenty million, two hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 236 295 590 1180 1475 2950 5900 3444107 6888214 13776428 17220535 34441070 68882140 86102675 172205350 203202313 344410700 406404626 812809252 1016011565 2032023130 4064046260 5080057825 10160115650 20320231300