143002020 has 48 divisors (see below), whose sum is σ = 457607808. Its totient is φ = 32686080.

The previous prime is 143002009. The next prime is 143002021. The reversal of 143002020 is 20200341.

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 = 143001987 and 143002005.

It is not an unprimeable number, because it can be changed into a prime (143002021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169821 + ... + 170660.

It is an arithmetic number, because the mean of its divisors is an integer number (9533496).

Almost surely, 2^143002020 is an apocalyptic number.

143002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143002020 is an abundant number, since it is smaller than the sum of its proper divisors (314605788).

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

143002020 is a wasteful number, since it uses less digits than its factorization.

143002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340500 (or 340498 counting only the distinct ones).

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

The square root of 143002020 is about 11958.3452032461. The cubic root of 143002020 is about 522.9346154553.

Adding to 143002020 its reverse (20200341), we get a palindrome (163202361).

The spelling of 143002020 in words is "one hundred forty-three million, two thousand, twenty".