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20011022102112 = 253208448146897
BaseRepresentation
bin1001000110011001011011…
…10111010010111001100000
32121212000221112111022021220
410203030231313102321200
510110330033124231422
6110320534152015040
74133514532240236
oct443145567227140
977760845438256
1020011022102112
116415699321538
1222b232a991480
13b22053979552
144d2778042956
1524a7ec83de5c
hex12332ddd2e60

20011022102112 has 24 divisors (see below), whose sum is σ = 52528933018296. Its totient is φ = 6670340700672.

The previous prime is 20011022102059. The next prime is 20011022102231. The reversal of 20011022102112 is 21120122011002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 20011022102091 and 20011022102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104224073353 + ... + 104224073544.

It is an arithmetic number, because the mean of its divisors is an integer number (2188705542429).

Almost surely, 220011022102112 is an apocalyptic number.

It is an amenable number.

20011022102112 is an abundant number, since it is smaller than the sum of its proper divisors (32517910916184).

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

20011022102112 is a wasteful number, since it uses less digits than its factorization.

20011022102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208448146910 (or 208448146902 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011022102112 its reverse (21120122011002), we get a palindrome (41131144113114).

The spelling of 20011022102112 in words is "twenty trillion, eleven billion, twenty-two million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 208448146897 416896293794 625344440691 833792587588 1250688881382 1667585175176 2501377762764 3335170350352 5002755525528 6670340700704 10005511051056 20011022102112