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20010120112007 is a prime number
BaseRepresentation
bin1001000110010111110000…
…00110011110011110000111
32121211221121200020110110222
410203023320012132132013
510110321211222041012
6110320304451134555
74133453300402414
oct443137006363607
977757550213428
1020010120112007
11641527615aa73
1222b21188a445b
13b21c3bb370ac
144d26d032910b
1524a79856c972
hex1232f819e787

20010120112007 has 2 divisors, whose sum is σ = 20010120112008. Its totient is φ = 20010120112006.

The previous prime is 20010120111979. The next prime is 20010120112043. The reversal of 20010120112007 is 70021102101002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20010120112007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010120117007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060056003 + 10005060056004.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060056004).

Almost surely, 220010120112007 is an apocalyptic number.

20010120112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010120112007 is an equidigital number, since it uses as much as digits as its factorization.

20010120112007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 20010120112007 its reverse (70021102101002), we get a palindrome (90031222213009).

The spelling of 20010120112007 in words is "twenty trillion, ten billion, one hundred twenty million, one hundred twelve thousand, seven".