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20010120211007 is a prime number
BaseRepresentation
bin1001000110010111110000…
…00110110110101000111111
32121211221121200102111021122
410203023320012312220333
510110321211233223012
6110320304453221155
74133453301264143
oct443137006665077
977757550374248
1020010120211007
116415276218393
1222b21189317bb
13b21c3bb70184
144d26d0353223
1524a79858be72
hex1232f81b6a3f

20010120211007 has 2 divisors, whose sum is σ = 20010120211008. Its totient is φ = 20010120211006.

The previous prime is 20010120210967. The next prime is 20010120211031. The reversal of 20010120211007 is 70011202101002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20010120211007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20015120211007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060105503 + 10005060105504.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060105504).

Almost surely, 220010120211007 is an apocalyptic number.

20010120211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010120211007 is an equidigital number, since it uses as much as digits as its factorization.

20010120211007 is an evil number, because the sum of its binary digits is even.

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

Adding to 20010120211007 its reverse (70011202101002), we get a palindrome (90021322312009).

The spelling of 20010120211007 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred eleven thousand, seven".