103123022020 has 24 divisors (see below), whose sum is σ = 218702492568. Its totient is φ = 40840800000.

The previous prime is 103123022003. The next prime is 103123022021. The reversal of 103123022020 is 20220321301.

It can be written as a sum of positive squares in 4 ways, for example, as 61035678916 + 42087343104 = 247054^2 + 205152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103123021985 and 103123022003.

It is not an unprimeable number, because it can be changed into a prime (103123022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25523481 + ... + 25527520.

It is an arithmetic number, because the mean of its divisors is an integer number (9112603857).

Almost surely, 2^103123022020 is an apocalyptic number.

103123022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103123022020 is an abundant number, since it is smaller than the sum of its proper divisors (115579470548).

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

103123022020 is a wasteful number, since it uses less digits than its factorization.

103123022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51051111 (or 51051109 counting only the distinct ones).

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

Adding to 103123022020 its reverse (20220321301), we get a palindrome (123343343321).

The spelling of 103123022020 in words is "one hundred three billion, one hundred twenty-three million, twenty-two thousand, twenty".