1820033147 has 8 divisors (see below), whose sum is σ = 1830570000. Its totient is φ = 1809519264.

The previous prime is 1820033143. The next prime is 1820033221. The reversal of 1820033147 is 7413300281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1820033147 - 2² = 1820033143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1820033143) 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, 168104 + ... + 178602.

It is an arithmetic number, because the mean of its divisors is an integer number (228821250).

Almost surely, 2^1820033147 is an apocalyptic number.

1820033147 is a deficient number, since it is larger than the sum of its proper divisors (10536853).

1820033147 is a wasteful number, since it uses less digits than its factorization.

1820033147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11485.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1820033147 is about 42661.8465024663. The cubic root of 1820033147 is about 1220.9365618151.

The spelling of 1820033147 in words is "one billion, eight hundred twenty million, thirty-three thousand, one hundred forty-seven".