1084996020 has 96 divisors (see below), whose sum is σ = 3222293760. Its totient is φ = 272194560.

The previous prime is 1084996009. The next prime is 1084996027. The reversal of 1084996020 is 206994801.

It is a self number, because there is not a number n which added to its sum of digits gives 1084996020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084996027) 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, 77736 + ... + 90624.

It is an arithmetic number, because the mean of its divisors is an integer number (33565560).

Almost surely, 2^1084996020 is an apocalyptic number.

1084996020 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 1084996020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611146880).

1084996020 is an abundant number, since it is smaller than the sum of its proper divisors (2137297740).

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

1084996020 is a wasteful number, since it uses less digits than its factorization.

1084996020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12985 (or 12983 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1084996020 is about 32939.2777698601. The cubic root of 1084996020 is about 1027.5651855093.

The spelling of 1084996020 in words is "one billion, eighty-four million, nine hundred ninety-six thousand, twenty".