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20331232300 = 2252227895649
BaseRepresentation
bin10010111011110101…
…011111110000101100
31221110220210121112201
4102323311133300230
5313114243413200
613201240511244
71316553423511
oct227365376054
957426717481
1020331232300
1186934a5825
123b34a7b524
131bc01bc592
14dac2a9308
157ded98c6a
hex4bbd5fc2c

20331232300 has 36 divisors (see below), whose sum is σ = 44313179400. Its totient is φ = 8096657920.

The previous prime is 20331232289. The next prime is 20331232349. The reversal of 20331232300 is 323213302.

It is a happy number.

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, 425125 + ... + 470524.

It is an arithmetic number, because the mean of its divisors is an integer number (1230921650).

Almost surely, 220331232300 is an apocalyptic number.

20331232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331232300 is an abundant number, since it is smaller than the sum of its proper divisors (23981947100).

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

20331232300 is a wasteful number, since it uses less digits than its factorization.

20331232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895890 (or 895883 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20331232300 its reverse (323213302), we get a palindrome (20654445602).

The spelling of 20331232300 in words is "twenty billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 227 454 908 1135 2270 4540 5675 11350 22700 895649 1791298 3582596 4478245 8956490 17912980 22391225 44782450 89564900 203312323 406624646 813249292 1016561615 2033123230 4066246460 5082808075 10165616150 20331232300