1048201820 has 24 divisors (see below), whose sum is σ = 2203089504. Its totient is φ = 418925376.

The previous prime is 1048201813. The next prime is 1048201831. The reversal of 1048201820 is 281028401.

It is a self number, because there is not a number n which added to its sum of digits gives 1048201820.

It is a congruent number.

It is an unprimeable number.

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, 2657 + ... + 45863.

It is an arithmetic number, because the mean of its divisors is an integer number (91795396).

Almost surely, 2^1048201820 is an apocalyptic number.

1048201820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048201820 is an abundant number, since it is smaller than the sum of its proper divisors (1154887684).

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

1048201820 is a wasteful number, since it uses less digits than its factorization.

1048201820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44429 (or 44427 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1048201820 is about 32375.9450827308. The cubic root of 1048201820 is about 1015.8158146187.

The spelling of 1048201820 in words is "one billion, forty-eight million, two hundred one thousand, eight hundred twenty".