1820020020110 has 8 divisors (see below), whose sum is σ = 3276036036216. Its totient is φ = 728008008040.

The previous prime is 1820020020103. The next prime is 1820020020121. The reversal of 1820020020110 is 110200200281.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91001000996 + ... + 91001001015.

It is an arithmetic number, because the mean of its divisors is an integer number (409504504527).

Almost surely, 2^{1820020020110} is an apocalyptic number.

1820020020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1820020020110 is a deficient number, since it is larger than the sum of its proper divisors (1456016016106).

1820020020110 is a wasteful number, since it uses less digits than its factorization.

1820020020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182002002018.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1820020020110 its reverse (110200200281), we get a palindrome (1930220220391).

The spelling of 1820020020110 in words is "one trillion, eight hundred twenty billion, twenty million, twenty thousand, one hundred ten".