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BaseRepresentation
bin10011000110101001…
…010111100011100101
31221221120002011110122
4103012221113203211
5314002211233331
613231240131325
71324215146240
oct230651274345
957846064418
1020512602341
118776913820
123b85766b45
131c1b952c2a
14dc83dc257
15800c7317b
hex4c6a578e5

20512602341 has 16 divisors (see below), whose sum is σ = 25634940288. Its totient is φ = 15945854400.

The previous prime is 20512602317. The next prime is 20512602361. The reversal of 20512602341 is 14320621502.

It is a happy number.

It is not a de Polignac number, because 20512602341 - 214 = 20512585957 is a prime.

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 20512602341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20512602301) 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, 283970 + ... + 348803.

It is an arithmetic number, because the mean of its divisors is an integer number (1602183768).

Almost surely, 220512602341 is an apocalyptic number.

It is an amenable number.

20512602341 is a deficient number, since it is larger than the sum of its proper divisors (5122337947).

20512602341 is a wasteful number, since it uses less digits than its factorization.

20512602341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633212.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 20512602341 in words is "twenty billion, five hundred twelve million, six hundred two thousand, three hundred forty-one".