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20120202113201 = 292786172490157
BaseRepresentation
bin1001001001100100110010…
…11111111111000010110001
32122020110202110221112100022
410210302121133333002301
510114122133220110301
6110443032050333225
74144431236102411
oct444623137770261
978213673845308
1020120202113201
116457a25618863
12230b51ab8a215
13b2c4333151c8
144d7b74376641
1524d58c961d1b
hex124c997ff0b1

20120202113201 has 8 divisors (see below), whose sum is σ = 20814085249320. Its totient is φ = 19426324514688.

The previous prime is 20120202113197. The next prime is 20120202113203. The reversal of 20120202113201 is 10231120202102.

It can be written as a sum of positive squares in 4 ways, for example, as 311257989025 + 19808944124176 = 557905^2 + 4450724^2 .

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 20120202113201 - 22 = 20120202113197 is a prime.

It is a super-3 number, since 3×201202021132013 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120202113201.

It is not an unprimeable number, because it can be changed into a prime (20120202113203) 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, 6834815 + ... + 9324971.

It is an arithmetic number, because the mean of its divisors is an integer number (2601760656165).

Almost surely, 220120202113201 is an apocalyptic number.

It is an amenable number.

20120202113201 is a deficient number, since it is larger than the sum of its proper divisors (693883136119).

20120202113201 is a wasteful number, since it uses less digits than its factorization.

20120202113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768803.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120202113201 its reverse (10231120202102), we get a palindrome (30351322315303).

The spelling of 20120202113201 in words is "twenty trillion, one hundred twenty billion, two hundred two million, one hundred thirteen thousand, two hundred one".

Divisors: 1 29 278617 2490157 8079893 72214553 693800072869 20120202113201