20434263001 has 2 divisors, whose sum is σ = 20434263002. Its totient is φ = 20434263000.

The previous prime is 20434262987. The next prime is 20434263107. The reversal of 20434263001 is 10036243402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19736035225 + 698227776 = 140485^2 + 26424^2 .

It is a cyclic number.

It is not a de Polignac number, because 20434263001 - 2⁵ = 20434262969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20434263401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217131500 + 10217131501.

It is an arithmetic number, because the mean of its divisors is an integer number (10217131501).

Almost surely, 2^20434263001 is an apocalyptic number.

It is an amenable number.

20434263001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434263001 is an equidigital number, since it uses as much as digits as its factorization.

20434263001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 20434263001 in words is "twenty billion, four hundred thirty-four million, two hundred sixty-three thousand, one".