1043345020 has 24 divisors (see below), whose sum is σ = 2193033024. Its totient is φ = 416955456.

The previous prime is 1043344987. The next prime is 1043345041. The reversal of 1043345020 is 205433401.

It is a junction number, because it is equal to n+sod(n) for n = 1043344982 and 1043345000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012 + ... + 45691.

It is an arithmetic number, because the mean of its divisors is an integer number (91376376).

Almost surely, 2^1043345020 is an apocalyptic number.

1043345020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043345020 is an abundant number, since it is smaller than the sum of its proper divisors (1149688004).

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

1043345020 is a wasteful number, since it uses less digits than its factorization.

1043345020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47829 (or 47827 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1043345020 is about 32300.8516915576. The cubic root of 1043345020 is about 1014.2444716040.

Adding to 1043345020 its reverse (205433401), we get a palindrome (1248778421).

The spelling of 1043345020 in words is "one billion, forty-three million, three hundred forty-five thousand, twenty".