143660020 has 24 divisors (see below), whose sum is σ = 344784384. Its totient is φ = 49254816.

The previous prime is 143660009. The next prime is 143660029. The reversal of 143660020 is 20066341.

It is a junction number, because it is equal to n+sod(n) for n = 143659973 and 143660000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143660029) 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 7 ways as a sum of consecutive naturals, for example, 512932 + ... + 513211.

It is an arithmetic number, because the mean of its divisors is an integer number (14366016).

Almost surely, 2^143660020 is an apocalyptic number.

143660020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143660020 is an abundant number, since it is smaller than the sum of its proper divisors (201124364).

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

143660020 is a wasteful number, since it uses less digits than its factorization.

143660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026159 (or 1026157 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 143660020 is about 11985.8257954969. The cubic root of 143660020 is about 523.7354539395.

The spelling of 143660020 in words is "one hundred forty-three million, six hundred sixty thousand, twenty".