143020220 has 72 divisors (see below), whose sum is σ = 367814160. Its totient is φ = 46448640.

The previous prime is 143020217. The next prime is 143020223. The reversal of 143020220 is 22020341.

143020220 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143020217) and next prime (143020223).

It is a Harshad number since it is a multiple of its sum of digits (14).

143020220 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 143020195 and 143020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14780 + ... + 22460.

It is an arithmetic number, because the mean of its divisors is an integer number (5108530).

Almost surely, 2^143020220 is an apocalyptic number.

143020220 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 143020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183907080).

143020220 is an abundant number, since it is smaller than the sum of its proper divisors (224793940).

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

143020220 is a wasteful number, since it uses less digits than its factorization.

143020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723 (or 7714 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 143020220 is about 11959.1061538896. The cubic root of 143020220 is about 522.9567993057.

Adding to 143020220 its reverse (22020341), we get a palindrome (165040561).

The spelling of 143020220 in words is "one hundred forty-three million, twenty thousand, two hundred twenty".