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120220200221 = 11192325009403
BaseRepresentation
bin110111111110110101…
…1101010110100011101
3102111022100111221102012
41233331223222310131
53432202332401341
6131121200041005
711454111561362
oct1577553526435
9374270457365
10120220200221
1146a92194880
121b371603165
13b44b9c4c64
145b666a6469
1531d94a00eb
hex1bfdaead1d

120220200221 has 16 divisors (see below), whose sum is σ = 144054167040. Its totient is φ = 99037231920.

The previous prime is 120220200209. The next prime is 120220200223. The reversal of 120220200221 is 122002022021.

It is not a de Polignac number, because 120220200221 - 230 = 119146458397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120220200196 and 120220200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12499895 + ... + 12509508.

It is an arithmetic number, because the mean of its divisors is an integer number (9003385440).

Almost surely, 2120220200221 is an apocalyptic number.

120220200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120220200221 is a deficient number, since it is larger than the sum of its proper divisors (23833966819).

120220200221 is a wasteful number, since it uses less digits than its factorization.

120220200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25009456.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120220200221 its reverse (122002022021), we get a palindrome (242222222242).

The spelling of 120220200221 in words is "one hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".

Divisors: 1 11 19 23 209 253 437 4807 25009403 275103433 475178657 575216269 5226965227 6327378959 10929109111 120220200221