2020429243 has 32 divisors (see below), whose sum is σ = 2485776384. Its totient is φ = 1602865152.

The previous prime is 2020429237. The next prime is 2020429291. The reversal of 2020429243 is 3429240202.

It is not a de Polignac number, because 2020429243 - 2²¹ = 2018332091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020429223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3328246 + ... + 3328852.

It is an arithmetic number, because the mean of its divisors is an integer number (77680512).

Almost surely, 2^2020429243 is an apocalyptic number.

2020429243 is a deficient number, since it is larger than the sum of its proper divisors (465347141).

2020429243 is a wasteful number, since it uses less digits than its factorization.

2020429243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

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

The square root of 2020429243 is about 44949.1851205336. The cubic root of 2020429243 is about 1264.1963979645.

Adding to 2020429243 its reverse (3429240202), we get a palindrome (5449669445).

The spelling of 2020429243 in words is "two billion, twenty million, four hundred twenty-nine thousand, two hundred forty-three".