1820032130 has 16 divisors (see below), whose sum is σ = 3744066240. Its totient is φ = 624010992.

The previous prime is 1820032129. The next prime is 1820032133. The reversal of 1820032130 is 312300281.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1820032133) 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, 13000160 + ... + 13000299.

It is an arithmetic number, because the mean of its divisors is an integer number (234004140).

Almost surely, 2^1820032130 is an apocalyptic number.

1820032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1820032130 is an abundant number, since it is smaller than the sum of its proper divisors (1924034110).

1820032130 is a wasteful number, since it uses less digits than its factorization.

1820032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000473.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1820032130 is about 42661.8345831494. The cubic root of 1820032130 is about 1220.9363344030.

The spelling of 1820032130 in words is "one billion, eight hundred twenty million, thirty-two thousand, one hundred thirty".