143020020 has 192 divisors, whose sum is σ = 478679040. Its totient is φ = 31449600.

The previous prime is 143019977. The next prime is 143020027. The reversal of 143020020 is 20020341.

143020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143020020² = 40909452241600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 143019978 and 143020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677715 + ... + 677925.

It is an arithmetic number, because the mean of its divisors is an integer number (2493120).

Almost surely, 2^143020020 is an apocalyptic number.

143020020 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 143020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239339520).

143020020 is an abundant number, since it is smaller than the sum of its proper divisors (335659020).

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

143020020 is a wasteful number, since it uses less digits than its factorization.

143020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 143020020 is about 11959.0977920577. The cubic root of 143020020 is about 522.9565555373.

Adding to 143020020 its reverse (20020341), we get a palindrome (163040361).

The spelling of 143020020 in words is "one hundred forty-three million, twenty thousand, twenty".