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20020210020012 = 2233153817768871
BaseRepresentation
bin1001000110101010100011…
…00000011010111010101100
32121212220122212011220012110
410203111101200122322230
510111002342231120022
6110325054005004020
74134261316245006
oct443252140327254
977786585156173
1020020210020012
1164195836a3214
1222b40739b3610
13b22b89343667
144d2daa3b3376
1524ab8928a00c
hex12355181aeac

20020210020012 has 24 divisors (see below), whose sum is σ = 48220720909312. Its totient is φ = 6458132264400.

The previous prime is 20020210020011. The next prime is 20020210020071. The reversal of 20020210020012 is 21002001202002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20020210020012.

It is not an unprimeable number, because it can be changed into a prime (20020210020011) 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, 26908884064 + ... + 26908884807.

Almost surely, 220020210020012 is an apocalyptic number.

It is an amenable number.

20020210020012 is an abundant number, since it is smaller than the sum of its proper divisors (28200510889300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020210020012 is a wasteful number, since it uses less digits than its factorization.

20020210020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53817768909 (or 53817768907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020210020012 its reverse (21002001202002), we get a palindrome (41022211222014).

The spelling of 20020210020012 in words is "twenty trillion, twenty billion, two hundred ten million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 53817768871 107635537742 161453306613 215271075484 322906613226 645813226452 1668350835001 3336701670002 5005052505003 6673403340004 10010105010006 20020210020012