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20020122202010 = 2572109374838461
BaseRepresentation
bin1001000110101010011000…
…10001011010111110011010
32121212220102201221021112212
410203111030101122332122
510111002202240431020
6110325041150435122
74134256201640600
oct443251421327632
977786381837485
1020020122202010
116419539072257
1222b404a502aa2
13b22b740a6948
144d2d9c873870
1524ab816decc5
hex12354c45af9a

20020122202010 has 48 divisors (see below), whose sum is σ = 42304268821320. Its totient is φ = 6801069018240.

The previous prime is 20020122201977. The next prime is 20020122202013. The reversal of 20020122202010 is 1020222102002.

It can be written as a sum of positive squares in 4 ways, for example, as 18301891481041 + 1718230720969 = 4278071^2 + 1310813^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20020122202013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187365821 + ... + 187472640.

Almost surely, 220020122202010 is an apocalyptic number.

20020122202010 is an abundant number, since it is smaller than the sum of its proper divisors (22284146619310).

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

20020122202010 is a wasteful number, since it uses less digits than its factorization.

20020122202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374838591 (or 374838584 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020122202010 its reverse (1020222102002), we get a palindrome (21040344304012).

The spelling of 20020122202010 in words is "twenty trillion, twenty billion, one hundred twenty-two million, two hundred two thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 109 218 245 490 545 763 1090 1526 3815 5341 7630 10682 26705 53410 374838461 749676922 1874192305 2623869227 3748384610 5247738454 13119346135 18367084589 26238692270 36734169178 40857392249 81714784498 91835422945 183670845890 204286961245 286001745743 408573922490 572003491486 1430008728715 2002012220201 2860017457430 4004024440402 10010061101005 20020122202010