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20020120001210 = 257286001714303
BaseRepresentation
bin1001000110101010011000…
…01001000001101010111010
32121212220102120210110121202
410203111030021001222322
510111002201210014320
6110325041031334202
74134256144143350
oct443251411015272
977786376713552
1020020120001210
1164195378a980a
1222b4049821362
13b22b737b5cb4
144d2d9c45d7d0
1524ab81407b75
hex12354c241aba

20020120001210 has 16 divisors (see below), whose sum is σ = 41184246859776. Its totient is φ = 6864041143248.

The previous prime is 20020120001131. The next prime is 20020120001237. The reversal of 20020120001210 is 1210002102002.

It is a happy number.

It is a super-3 number, since 3×200201200012103 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020120001191 and 20020120001200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 143000857082 + ... + 143000857221.

It is an arithmetic number, because the mean of its divisors is an integer number (2574015428736).

Almost surely, 220020120001210 is an apocalyptic number.

20020120001210 is an abundant number, since it is smaller than the sum of its proper divisors (21164126858566).

20020120001210 is a wasteful number, since it uses less digits than its factorization.

20020120001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286001714317.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020120001210 its reverse (1210002102002), we get a palindrome (21230122103212).

The spelling of 20020120001210 in words is "twenty trillion, twenty billion, one hundred twenty million, one thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 286001714303 572003428606 1430008571515 2002012000121 2860017143030 4004024000242 10010060000605 20020120001210