202020029 has 2 divisors, whose sum is σ = 202020030. Its totient is φ = 202020028.

The previous prime is 202020023. The next prime is 202020083. The reversal of 202020029 is 920020202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123254404 + 78765625 = 11102^2 + 8875^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020029 - 2⁸ = 202019773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202019989 and 202020016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010014 + 101010015.

It is an arithmetic number, because the mean of its divisors is an integer number (101010015).

Almost surely, 2^202020029 is an apocalyptic number.

It is an amenable number.

202020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020029 is an equidigital number, since it uses as much as digits as its factorization.

202020029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 202020029 is about 14213.3750038476. The cubic root of 202020029 is about 586.7658228506.

The spelling of 202020029 in words is "two hundred two million, twenty thousand, twenty-nine".