1020343404 has 48 divisors (see below), whose sum is σ = 2426135040. Its totient is φ = 333662400.

The previous prime is 1020343397. The next prime is 1020343409. The reversal of 1020343404 is 4043430201.

1020343404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020343404² = 2082201324172614432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020343409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432829 + ... + 435179.

It is an arithmetic number, because the mean of its divisors is an integer number (50544480).

Almost surely, 2^1020343404 is an apocalyptic number.

It is an amenable number.

1020343404 is an abundant number, since it is smaller than the sum of its proper divisors (1405791636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020343404 is a wasteful number, since it uses less digits than its factorization.

1020343404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3028 counting only the distinct ones).

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

The square root of 1020343404 is about 31942.8145910782. The cubic root of 1020343404 is about 1006.7356636382.

Adding to 1020343404 its reverse (4043430201), we get a palindrome (5063773605).

The spelling of 1020343404 in words is "one billion, twenty million, three hundred forty-three thousand, four hundred four".