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20401213341 = 31713910932633
BaseRepresentation
bin10011000000000000…
…011100111110011101
31221122210111000111010
4103000000130332131
5313240202311331
613212220445433
71321363311045
oct230000347635
957583430433
1020401213341
118719a535a3
123b543a9879
131c01852592
14db76c4725
157e60bde46
hex4c001cf9d

20401213341 has 32 divisors (see below), whose sum is σ = 29046487680. Its totient is φ = 12692219904.

The previous prime is 20401213297. The next prime is 20401213373. The reversal of 20401213341 is 14331210402.

It is not a de Polignac number, because 20401213341 - 214 = 20401196957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401213541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7746961 + ... + 7749593.

It is an arithmetic number, because the mean of its divisors is an integer number (907702740).

Almost surely, 220401213341 is an apocalyptic number.

It is an amenable number.

20401213341 is a deficient number, since it is larger than the sum of its proper divisors (8645274339).

20401213341 is a wasteful number, since it uses less digits than its factorization.

20401213341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20401213341 its reverse (14331210402), we get a palindrome (34732423743).

The spelling of 20401213341 in words is "twenty billion, four hundred one million, two hundred thirteen thousand, three hundred forty-one".

Divisors: 1 3 17 51 139 417 1093 2363 2633 3279 7089 7899 18581 44761 55743 134283 151927 365987 455781 1097961 2582759 2877869 6221779 7748277 8633607 18665337 48923773 146771319 400023791 1200071373 6800404447 20401213341