20422404407 has 2 divisors, whose sum is σ = 20422404408. Its totient is φ = 20422404406.

The previous prime is 20422404383. The next prime is 20422404473. The reversal of 20422404407 is 70440422402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20422404407 - 2¹⁴ = 20422388023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20422404407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20422404307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211202203 + 10211202204.

It is an arithmetic number, because the mean of its divisors is an integer number (10211202204).

Almost surely, 2^20422404407 is an apocalyptic number.

20422404407 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422404407 is an equidigital number, since it uses as much as digits as its factorization.

20422404407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 29.

Adding to 20422404407 its reverse (70440422402), we get a palindrome (90862826809).

The spelling of 20422404407 in words is "twenty billion, four hundred twenty-two million, four hundred four thousand, four hundred seven".