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20020220122210 = 257113743101239677
BaseRepresentation
bin1001000110101010100100…
…00110111101010001100010
32121212220200120012010210221
410203111102012331101202
510111002402322402320
6110325055005313254
74134261501151330
oct443252206752142
977786616163727
1020020220122210
116419589373140
1222b407726582a
13b22b8b46c8a9
144d2dab882b50
1524ab8a0d33aa
hex1235521bd462

20020220122210 has 512 divisors, whose sum is σ = 47953589207040. Its totient is φ = 5838303744000.

The previous prime is 20020220122169. The next prime is 20020220122223. The reversal of 20020220122210 is 1222102202002.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 29571964392 + ... + 29571965068.

It is an arithmetic number, because the mean of its divisors is an integer number (93659353920).

Almost surely, 220020220122210 is an apocalyptic number.

20020220122210 is an abundant number, since it is smaller than the sum of its proper divisors (27933369084830).

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

20020220122210 is a wasteful number, since it uses less digits than its factorization.

20020220122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20020220122210 its reverse (1222102202002), we get a palindrome (21242322324212).

The spelling of 20020220122210 in words is "twenty trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred ten".