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20562020601 = 323940970117
BaseRepresentation
bin10011001001100101…
…111000100011111001
31222002000001212120120
4103021211320203321
5314102334124401
613240203243453
71325355201633
oct231145704371
958060055516
1020562020601
1187a17a7461
123b9a219589
131c28c665c5
14dd0bc3a53
15805285836
hex4c99788f9

20562020601 has 16 divisors (see below), whose sum is σ = 27598444800. Its totient is φ = 13617088128.

The previous prime is 20562020593. The next prime is 20562020627. The reversal of 20562020601 is 10602026502.

It is not a de Polignac number, because 20562020601 - 23 = 20562020593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20562020671) 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, 258195 + ... + 328311.

It is an arithmetic number, because the mean of its divisors is an integer number (1724902800).

Almost surely, 220562020601 is an apocalyptic number.

It is an amenable number.

20562020601 is a deficient number, since it is larger than the sum of its proper divisors (7036424199).

20562020601 is a wasteful number, since it uses less digits than its factorization.

20562020601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70768.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 20562020601 in words is "twenty billion, five hundred sixty-two million, twenty thousand, six hundred one".

Divisors: 1 3 239 409 717 1227 70117 97751 210351 293253 16757963 28677853 50273889 86033559 6854006867 20562020601