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220202001231 = 3591244079103
BaseRepresentation
bin1100110100010100001…
…1111110001101001111
3210001101020220200100020
43031011003332031033
512101433203014411
6245054233033223
721623545061532
oct3150503761517
9701336820306
10220202001231
118542931a793
1236815255813
13179c3801c64
14a92d14aa19
155adbce2606
hex33450fe34f

220202001231 has 8 divisors (see below), whose sum is σ = 298578984960. Its totient is φ = 144313175832.

The previous prime is 220202001179. The next prime is 220202001241. The reversal of 220202001231 is 132100202022.

It is a happy number.

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

It is not a de Polignac number, because 220202001231 - 227 = 220067783503 is a prime.

It is a super-2 number, since 2×2202020012312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220202001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202001241) 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, 622039375 + ... + 622039728.

It is an arithmetic number, because the mean of its divisors is an integer number (37322373120).

Almost surely, 2220202001231 is an apocalyptic number.

220202001231 is a deficient number, since it is larger than the sum of its proper divisors (78376983729).

220202001231 is a wasteful number, since it uses less digits than its factorization.

220202001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244079165.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220202001231 its reverse (132100202022), we get a palindrome (352302203253).

The spelling of 220202001231 in words is "two hundred twenty billion, two hundred two million, one thousand, two hundred thirty-one".

Divisors: 1 3 59 177 1244079103 3732237309 73400667077 220202001231