20010120210967 has 2 divisors, whose sum is σ = 20010120210968. Its totient is φ = 20010120210966.

The previous prime is 20010120210931. The next prime is 20010120211007. The reversal of 20010120210967 is 76901202101002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010120210967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010120210467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060105483 + 10005060105484.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060105484).

Almost surely, 2^{20010120210967} is an apocalyptic number.

20010120210967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010120210967 is an equidigital number, since it uses as much as digits as its factorization.

20010120210967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 20010120210967 its reverse (76901202101002), we get a palindrome (96911322311969).

The spelling of 20010120210967 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred ten thousand, nine hundred sixty-seven".