103012320020 has 48 divisors (see below), whose sum is σ = 216730987200. Its totient is φ = 41127851520.

The previous prime is 103012320013. The next prime is 103012320023. The reversal of 103012320020 is 20023210301.

It is a happy number.

103012320020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×103012320020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012319977 and 103012320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44040011 + ... + 44042349.

It is an arithmetic number, because the mean of its divisors is an integer number (4515228900).

Almost surely, 2^103012320020 is an apocalyptic number.

103012320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012320020 is an abundant number, since it is smaller than the sum of its proper divisors (113718667180).

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

103012320020 is a wasteful number, since it uses less digits than its factorization.

103012320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 103012320020 its reverse (20023210301), we get a palindrome (123035530321).

The spelling of 103012320020 in words is "one hundred three billion, twelve million, three hundred twenty thousand, twenty".