143665122020 has 24 divisors (see below), whose sum is σ = 344796293184. Its totient is φ = 49256613216.

The previous prime is 143665122017. The next prime is 143665122023. The reversal of 143665122020 is 20221566341.

143665122020 is digitally balanced in base 2, because in such base 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 (143665122017) and next prime (143665122023).

It is not an unprimeable number, because it can be changed into a prime (143665122023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513089582 + ... + 513089861.

It is an arithmetic number, because the mean of its divisors is an integer number (14366512216).

Almost surely, 2^143665122020 is an apocalyptic number.

143665122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143665122020 is an abundant number, since it is smaller than the sum of its proper divisors (201131171164).

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

143665122020 is a wasteful number, since it uses less digits than its factorization.

143665122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026179459 (or 1026179457 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 143665122020 its reverse (20221566341), we get a palindrome (163886688361).

The spelling of 143665122020 in words is "one hundred forty-three billion, six hundred sixty-five million, one hundred twenty-two thousand, twenty".