20122644967 has 2 divisors, whose sum is σ = 20122644968. Its totient is φ = 20122644966.

The previous prime is 20122644959. The next prime is 20122645013. The reversal of 20122644967 is 76944622102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122644967 - 2³ = 20122644959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122648967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061322483 + 10061322484.

It is an arithmetic number, because the mean of its divisors is an integer number (10061322484).

Almost surely, 2^20122644967 is an apocalyptic number.

20122644967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122644967 is an equidigital number, since it uses as much as digits as its factorization.

20122644967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 20122644967 in words is "twenty billion, one hundred twenty-two million, six hundred forty-four thousand, nine hundred sixty-seven".