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1200300200220 = 2235111818636667
BaseRepresentation
bin10001011101110111011…
…101111001000100011100
311020202011222120212021010
4101131313131321010130
5124131203322401340
62315224342535220
7152501362235232
oct21356735710434
94222158525233
101200300200220
11423054197a50
12174762137510
1389259855984
1442148350952
1521351238b80
hex1177777911c

1200300200220 has 48 divisors (see below), whose sum is σ = 3666371522688. Its totient is φ = 290981866560.

The previous prime is 1200300200213. The next prime is 1200300200257. The reversal of 1200300200220 is 220020030021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1200300200196 and 1200300200205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909317674 + ... + 909318993.

It is an arithmetic number, because the mean of its divisors is an integer number (76382740056).

Almost surely, 21200300200220 is an apocalyptic number.

1200300200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200300200220 is an abundant number, since it is smaller than the sum of its proper divisors (2466071322468).

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

1200300200220 is a wasteful number, since it uses less digits than its factorization.

1200300200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818636690 (or 1818636688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 1200300200220 its reverse (220020030021), we get a palindrome (1420320230241).

The spelling of 1200300200220 in words is "one trillion, two hundred billion, three hundred million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1818636667 3637273334 5455910001 7274546668 9093183335 10911820002 18186366670 20005003337 21823640004 27279550005 36372733340 40010006674 54559100010 60015010011 80020013348 100025016685 109118200020 120030020022 200050033370 240060040044 300075050055 400100066740 600150100110 1200300200220