1020430443 has 8 divisors (see below), whose sum is σ = 1419729408. Its totient is φ = 650709224.

The previous prime is 1020430421. The next prime is 1020430447. The reversal of 1020430443 is 3440340201.

1020430443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020430443 - 2¹⁸ = 1020168299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020430447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394355 + ... + 7394492.

It is an arithmetic number, because the mean of its divisors is an integer number (177466176).

Almost surely, 2^1020430443 is an apocalyptic number.

1020430443 is a deficient number, since it is larger than the sum of its proper divisors (399298965).

1020430443 is a wasteful number, since it uses less digits than its factorization.

1020430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788873.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1020430443 is about 31944.1769811025. The cubic root of 1020430443 is about 1006.7642888944.

Adding to 1020430443 its reverse (3440340201), we get a palindrome (4460770644).

The spelling of 1020430443 in words is "one billion, twenty million, four hundred thirty thousand, four hundred forty-three".