120123302020 has 24 divisors (see below), whose sum is σ = 253119898584. Its totient is φ = 47885327616.

The previous prime is 120123301997. The next prime is 120123302021. The reversal of 120123302020 is 20203321021.

It can be written as a sum of positive squares in 4 ways, for example, as 9404732484 + 110718569536 = 96978^2 + 332744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120123301985 and 120123302003.

It is not an unprimeable number, because it can be changed into a prime (120123302021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10243569 + ... + 10255288.

It is an arithmetic number, because the mean of its divisors is an integer number (10546662441).

Almost surely, 2^120123302020 is an apocalyptic number.

120123302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123302020 is an abundant number, since it is smaller than the sum of its proper divisors (132996596564).

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

120123302020 is a wasteful number, since it uses less digits than its factorization.

120123302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499159 (or 20499157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120123302020 its reverse (20203321021), we get a palindrome (140326623041).

The spelling of 120123302020 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred two thousand, twenty".