20411222149 has 2 divisors, whose sum is σ = 20411222150. Its totient is φ = 20411222148.

The previous prime is 20411222107. The next prime is 20411222191. The reversal of 20411222149 is 94122211402.

It is a balanced prime because it is at equal distance from previous prime (20411222107) and next prime (20411222191).

It can be written as a sum of positive squares in only one way, i.e., 16536159649 + 3875062500 = 128593^2 + 62250^2 .

It is a cyclic number.

It is not a de Polignac number, because 20411222149 - 2¹³ = 20411213957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20411222849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205611074 + 10205611075.

It is an arithmetic number, because the mean of its divisors is an integer number (10205611075).

Almost surely, 2^20411222149 is an apocalyptic number.

It is an amenable number.

20411222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411222149 is an equidigital number, since it uses as much as digits as its factorization.

20411222149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 20411222149 in words is "twenty billion, four hundred eleven million, two hundred twenty-two thousand, one hundred forty-nine".