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20022022012 = 2225131164123
BaseRepresentation
bin10010101001011001…
…111100111101111100
31220200100222002202211
4102221121330331330
5312001114201022
613110433230204
71306110244006
oct225131747574
956610862684
1020022022012
118544a00533
123a69402364
131b71118505
14d7d1b9376
157c2b6ae77
hex4a967cf7c

20022022012 has 24 divisors (see below), whose sum is σ = 35291797632. Its totient is φ = 9938910000.

The previous prime is 20022022003. The next prime is 20022022019. The reversal of 20022022012 is 21022022002.

It is a junction number, because it is equal to n+sod(n) for n = 20022021983 and 20022022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022019) 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, 280183 + ... + 344305.

It is an arithmetic number, because the mean of its divisors is an integer number (1470491568).

Almost surely, 220022022012 is an apocalyptic number.

It is an amenable number.

20022022012 is a deficient number, since it is larger than the sum of its proper divisors (15269775620).

20022022012 is a wasteful number, since it uses less digits than its factorization.

20022022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64689 (or 64687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022022012 its reverse (21022022002), we get a palindrome (41044044014).

The spelling of 20022022012 in words is "twenty billion, twenty-two million, twenty-two thousand, twelve".

Divisors: 1 2 4 251 311 502 622 1004 1244 64123 78061 128246 156122 256492 312244 16094873 19942253 32189746 39884506 64379492 79769012 5005505503 10011011006 20022022012