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20331233300 = 22527171708507
BaseRepresentation
bin10010111011110101…
…100000000000010100
31221110220210122220202
4102323311200000110
5313114243431200
613201240520032
71316553426440
oct227365400024
957426718822
1020331233300
1186934a6554
123b34a80018
131bc01bcb81
14dac2a9820
157ded991d5
hex4bbd60014

20331233300 has 72 divisors (see below), whose sum is σ = 53387457984. Its totient is φ = 6560663040.

The previous prime is 20331233287. The next prime is 20331233303. The reversal of 20331233300 is 333213302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331233303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842354 + ... + 866153.

It is an arithmetic number, because the mean of its divisors is an integer number (741492472).

Almost surely, 220331233300 is an apocalyptic number.

20331233300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331233300 is an abundant number, since it is smaller than the sum of its proper divisors (33056224684).

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

20331233300 is a wasteful number, since it uses less digits than its factorization.

20331233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708545 (or 1708538 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20331233300 its reverse (333213302), we get a palindrome (20664446602).

The spelling of 20331233300 in words is "twenty billion, three hundred thirty-one million, two hundred thirty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 17 20 25 28 34 35 50 68 70 85 100 119 140 170 175 238 340 350 425 476 595 700 850 1190 1700 2380 2975 5950 11900 1708507 3417014 6834028 8542535 11959549 17085070 23919098 29044619 34170140 42712675 47838196 58089238 59797745 85425350 116178476 119595490 145223095 170850700 203312333 239190980 290446190 298988725 406624666 580892380 597977450 726115475 813249332 1016561665 1195954900 1452230950 2033123330 2904461900 4066246660 5082808325 10165616650 20331233300