20224012451 has 2 divisors, whose sum is σ = 20224012452. Its totient is φ = 20224012450.

The previous prime is 20224012429. The next prime is 20224012513. The reversal of 20224012451 is 15421042202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20224012451 - 2⁶ = 20224012387 is a prime.

It is not a weakly prime, because it can be changed into another prime (20224012411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112006225 + 10112006226.

It is an arithmetic number, because the mean of its divisors is an integer number (10112006226).

Almost surely, 2^20224012451 is an apocalyptic number.

20224012451 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224012451 is an equidigital number, since it uses as much as digits as its factorization.

20224012451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20224012451 its reverse (15421042202), we get a palindrome (35645054653).

The spelling of 20224012451 in words is "twenty billion, two hundred twenty-four million, twelve thousand, four hundred fifty-one".