20022524149 has 2 divisors, whose sum is σ = 20022524150. Its totient is φ = 20022524148.

The previous prime is 20022524147. The next prime is 20022524177. The reversal of 20022524149 is 94142522002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19633053924 + 389470225 = 140118^2 + 19735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022524149 - 2¹ = 20022524147 is a prime.

Together with 20022524147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20022524149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022524147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011262074 + 10011262075.

It is an arithmetic number, because the mean of its divisors is an integer number (10011262075).

Almost surely, 2^20022524149 is an apocalyptic number.

It is an amenable number.

20022524149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022524149 is an equidigital number, since it uses as much as digits as its factorization.

20022524149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20022524149 in words is "twenty billion, twenty-two million, five hundred twenty-four thousand, one hundred forty-nine".