143303320020 has 192 divisors, whose sum is σ = 492385775616. Its totient is φ = 30393968640.

The previous prime is 143303320009. The next prime is 143303320051. The reversal of 143303320020 is 20023303341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 365599 + ... + 648281.

It is an arithmetic number, because the mean of its divisors is an integer number (2564509248).

Almost surely, 2^143303320020 is an apocalyptic number.

143303320020 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 143303320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246192887808).

143303320020 is an abundant number, since it is smaller than the sum of its proper divisors (349082455596).

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

143303320020 is a wasteful number, since it uses less digits than its factorization.

143303320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282790 (or 282788 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 143303320020 its reverse (20023303341), we get a palindrome (163326623361).

The spelling of 143303320020 in words is "one hundred forty-three billion, three hundred three million, three hundred twenty thousand, twenty".