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20331003300 = 2235267770011
BaseRepresentation
bin10010111011110100…
…100111110110100100
31221110220100222102020
4102323310213312210
5313114214101200
613201231543140
71316551451046
oct227364476644
957426328366
1020331003300
118693359773
123b3498aab0
131bc013c28a
14dac249a96
157ded50ea0
hex4bbd27da4

20331003300 has 36 divisors (see below), whose sum is σ = 58824370416. Its totient is φ = 5421600800.

The previous prime is 20331003293. The next prime is 20331003323. The reversal of 20331003300 is 330013302.

It is a super-2 number, since 2×203310033002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20331003300.

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, 33884706 + ... + 33885305.

Almost surely, 220331003300 is an apocalyptic number.

20331003300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331003300 is an abundant number, since it is smaller than the sum of its proper divisors (38493367116).

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

20331003300 is a wasteful number, since it uses less digits than its factorization.

20331003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67770028 (or 67770021 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20331003300 its reverse (330013302), we get a palindrome (20661016602).

The spelling of 20331003300 in words is "twenty billion, three hundred thirty-one million, three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 67770011 135540022 203310033 271080044 338850055 406620066 677700110 813240132 1016550165 1355400220 1694250275 2033100330 3388500550 4066200660 5082750825 6777001100 10165501650 20331003300