20424220967 has 2 divisors, whose sum is σ = 20424220968. Its totient is φ = 20424220966.

The previous prime is 20424220951. The next prime is 20424221011. The reversal of 20424220967 is 76902242402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20424220967 - 2⁴ = 20424220951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20424220967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424220907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212110483 + 10212110484.

It is an arithmetic number, because the mean of its divisors is an integer number (10212110484).

Almost surely, 2^20424220967 is an apocalyptic number.

20424220967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424220967 is an equidigital number, since it uses as much as digits as its factorization.

20424220967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20424220967 in words is "twenty billion, four hundred twenty-four million, two hundred twenty thousand, nine hundred sixty-seven".