1048667820 has 96 divisors (see below), whose sum is σ = 2973411840. Its totient is φ = 276134400.

The previous prime is 1048667813. The next prime is 1048667827. The reversal of 1048667820 is 287668401.

1048667820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1048667813) and next prime (1048667827).

It is not an unprimeable number, because it can be changed into a prime (1048667827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2563776 + ... + 2564184.

It is an arithmetic number, because the mean of its divisors is an integer number (30973040).

Almost surely, 2^1048667820 is an apocalyptic number.

1048667820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048667820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486705920).

1048667820 is an abundant number, since it is smaller than the sum of its proper divisors (1924744020).

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

1048667820 is a wasteful number, since it uses less digits than its factorization.

1048667820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1048667820 is about 32383.1409841603. The cubic root of 1048667820 is about 1015.9663263583.

The spelling of 1048667820 in words is "one billion, forty-eight million, six hundred sixty-seven thousand, eight hundred twenty".