1045196020 has 24 divisors (see below), whose sum is σ = 2394449568. Its totient is φ = 380071200.

The previous prime is 1045195993. The next prime is 1045196027. The reversal of 1045196020 is 206915401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045196020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045196027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375226 + ... + 2375665.

It is an arithmetic number, because the mean of its divisors is an integer number (99768732).

Almost surely, 2^1045196020 is an apocalyptic number.

1045196020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045196020 is an abundant number, since it is smaller than the sum of its proper divisors (1349253548).

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

1045196020 is a wasteful number, since it uses less digits than its factorization.

1045196020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750911 (or 4750909 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1045196020 is about 32329.4914899693. The cubic root of 1045196020 is about 1014.8439081474.

The spelling of 1045196020 in words is "one billion, forty-five million, one hundred ninety-six thousand, twenty".