42020322229 has 2 divisors, whose sum is σ = 42020322230. Its totient is φ = 42020322228.

The previous prime is 42020322199. The next prime is 42020322251. The reversal of 42020322229 is 92222302024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33852320100 + 8168002129 = 183990^2 + 90377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42020322229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42020322197 and 42020322206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42020320229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010161114 + 21010161115.

It is an arithmetic number, because the mean of its divisors is an integer number (21010161115).

Almost surely, 2^42020322229 is an apocalyptic number.

It is an amenable number.

42020322229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42020322229 is an equidigital number, since it uses as much as digits as its factorization.

42020322229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 42020322229 in words is "forty-two billion, twenty million, three hundred twenty-two thousand, two hundred twenty-nine".