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20020102210212 = 22313128333988527
BaseRepresentation
bin1001000110101010010110…
…00101001010001010100100
32121212220101100022120221220
410203111023011022022210
510111002132131211322
6110325035154140340
74134255540004506
oct443251305121244
977786340276856
1020020102210212
116419528858105
1222b40438816b0
13b22b6cbc7190
144d2d99d4bd76
1524ab7ea9155c
hex12354b14a2a4

20020102210212 has 24 divisors (see below), whose sum is σ = 50306923502976. Its totient is φ = 6160031449248.

The previous prime is 20020102210169. The next prime is 20020102210223. The reversal of 20020102210212 is 21201220102002.

It is a junction number, because it is equal to n+sod(n) for n = 20020102210191 and 20020102210200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64166994108 + ... + 64166994419.

It is an arithmetic number, because the mean of its divisors is an integer number (2096121812624).

Almost surely, 220020102210212 is an apocalyptic number.

It is an amenable number.

20020102210212 is an abundant number, since it is smaller than the sum of its proper divisors (30286821292764).

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

20020102210212 is a wasteful number, since it uses less digits than its factorization.

20020102210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128333988547 (or 128333988545 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020102210212 its reverse (21201220102002), we get a palindrome (41221322312214).

The spelling of 20020102210212 in words is "twenty trillion, twenty billion, one hundred two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 128333988527 256667977054 385001965581 513335954108 770003931162 1540007862324 1668341850851 3336683701702 5005025552553 6673367403404 10010051105106 20020102210212