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1220200201 = 11293825079
BaseRepresentation
bin100100010111010…
…1100011100001001
310011001000121000001
41020232230130021
54444332401301
6321025043001
742144346663
oct11056543411
93131017001
101220200201
11576853520
122a0786461
13165a47a6c
14b80ab533
15721cac01
hex48bac709

1220200201 has 8 divisors (see below), whose sum is σ = 1377028800. Its totient is φ = 1071021840.

The previous prime is 1220200193. The next prime is 1220200217. The reversal of 1220200201 is 1020020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220200201 - 23 = 1220200193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220200231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912221 + ... + 1912858.

It is an arithmetic number, because the mean of its divisors is an integer number (172128600).

Almost surely, 21220200201 is an apocalyptic number.

1220200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220200201 is a deficient number, since it is larger than the sum of its proper divisors (156828599).

1220200201 is a wasteful number, since it uses less digits than its factorization.

1220200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825119.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220200201 is about 34931.3641445621. The cubic root of 1220200201 is about 1068.5881752364.

Adding to 1220200201 its reverse (1020020221), we get a palindrome (2240220422).

The spelling of 1220200201 in words is "one billion, two hundred twenty million, two hundred thousand, two hundred one".

Divisors: 1 11 29 319 3825079 42075869 110927291 1220200201