1820053014 has 64 divisors (see below), whose sum is σ = 4263005376. Its totient is φ = 512815104.

The previous prime is 1820053003. The next prime is 1820053033. The reversal of 1820053014 is 4103500281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30514 + ... + 67610.

It is an arithmetic number, because the mean of its divisors is an integer number (66609459).

Almost surely, 2^1820053014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1820053014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131502688).

1820053014 is an abundant number, since it is smaller than the sum of its proper divisors (2442952362).

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

1820053014 is a wasteful number, since it uses less digits than its factorization.

1820053014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37169.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1820053014 is about 42662.0793445420. The cubic root of 1820053014 is about 1220.9410042723.

Adding to 1820053014 its reverse (4103500281), we get a palindrome (5923553295).

The spelling of 1820053014 in words is "one billion, eight hundred twenty million, fifty-three thousand, fourteen".