20244034451 has 2 divisors, whose sum is σ = 20244034452. Its totient is φ = 20244034450.

The previous prime is 20244034427. The next prime is 20244034477. The reversal of 20244034451 is 15443044202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20244034451 - 2³⁰ = 19170292627 is a prime.

It is not a weakly prime, because it can be changed into another prime (20244034051) 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, 10122017225 + 10122017226.

It is an arithmetic number, because the mean of its divisors is an integer number (10122017226).

Almost surely, 2^20244034451 is an apocalyptic number.

20244034451 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244034451 is an equidigital number, since it uses as much as digits as its factorization.

20244034451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20244034451 its reverse (15443044202), we get a palindrome (35687078653).

The spelling of 20244034451 in words is "twenty billion, two hundred forty-four million, thirty-four thousand, four hundred fifty-one".