20010120307 has 2 divisors, whose sum is σ = 20010120308. Its totient is φ = 20010120306.

The previous prime is 20010120289. The next prime is 20010120311. The reversal of 20010120307 is 70302101002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010120307 is a prime.

It is a super-2 number, since 2×20010120307² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010124307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060153 + 10005060154.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060154).

Almost surely, 2^20010120307 is an apocalyptic number.

20010120307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010120307 is an equidigital number, since it uses as much as digits as its factorization.

20010120307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 20010120307 its reverse (70302101002), we get a palindrome (90312221309).

The spelling of 20010120307 in words is "twenty billion, ten million, one hundred twenty thousand, three hundred seven".