103143440020 has 24 divisors (see below), whose sum is σ = 216609619968. Its totient is φ = 41255776800.

The previous prime is 103143440003. The next prime is 103143440027. The reversal of 103143440020 is 20044341301.

It is a junction number, because it is equal to n+sod(n) for n = 103143439973 and 103143440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103143440027) 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, 523885 + ... + 693355.

It is an arithmetic number, because the mean of its divisors is an integer number (9025400832).

Almost surely, 2^103143440020 is an apocalyptic number.

103143440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103143440020 is an abundant number, since it is smaller than the sum of its proper divisors (113466179948).

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

103143440020 is a wasteful number, since it uses less digits than its factorization.

103143440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199911 (or 199909 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 103143440020 its reverse (20044341301), we get a palindrome (123187781321).

The spelling of 103143440020 in words is "one hundred three billion, one hundred forty-three million, four hundred forty thousand, twenty".