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20020002010122 = 2317619931662289
BaseRepresentation
bin1001000110101010001010…
…00110111011010000001010
32121212220010100202220021110
410203111011012323100022
510111001431003310442
6110325021214351150
74134253212220122
oct443250506732012
977786110686243
1020020002010122
11641948723a314
1222b40161bb4b6
13b22b5521359a
144d2d8a907c82
1524ab75d9c69c
hex1235451bb40a

20020002010122 has 32 divisors (see below), whose sum is σ = 42402138768000. Its totient is φ = 6279771552768.

The previous prime is 20020002010111. The next prime is 20020002010123. The reversal of 20020002010122 is 22101020002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020002010098 and 20020002010107.

It is not an unprimeable number, because it can be changed into a prime (20020002010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15198847 + ... + 16463442.

It is an arithmetic number, because the mean of its divisors is an integer number (1325066836500).

Almost surely, 220020002010122 is an apocalyptic number.

20020002010122 is an abundant number, since it is smaller than the sum of its proper divisors (22382136757878).

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

20020002010122 is a wasteful number, since it uses less digits than its factorization.

20020002010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31668510.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020002010122 its reverse (22101020002002), we get a palindrome (42121022012124).

The spelling of 20020002010122 in words is "twenty trillion, twenty billion, two million, ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 6199 12398 18597 37194 105383 210766 316149 632298 31662289 63324578 94986867 189973734 538258913 1076517826 1614776739 3229553478 196274529511 392549059022 588823588533 1177647177066 3336667001687 6673334003374 10010001005061 20020002010122