2020429 has 2 divisors, whose sum is σ = 2020430. Its totient is φ = 2020428.

The previous prime is 2020423. The next prime is 2020457. The reversal of 2020429 is 9240202.

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., 1435204 + 585225 = 1198^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020429 - 2¹¹ = 2018381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010214 + 1010215.

It is an arithmetic number, because the mean of its divisors is an integer number (1010215).

2^2020429 is an apocalyptic number.

It is an amenable number.

2020429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020429 is an equidigital number, since it uses as much as digits as its factorization.

2020429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2020429 is about 1421.4179540163. The cubic root of 2020429 is about 126.4196347282.

It can be divided in two parts, 20 and 20429, that added together give a square (20449 = 143²).

The spelling of 2020429 in words is "two million, twenty thousand, four hundred twenty-nine".