10403042020 has 36 divisors (see below), whose sum is σ = 25413147900. Its totient is φ = 3566756928.

The previous prime is 10403042011. The next prime is 10403042021. The reversal of 10403042020 is 2024030401.

It can be written as a sum of positive squares in 2 ways, for example, as 5242918464 + 5160123556 = 72408^2 + 71834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10403041985 and 10403042003.

It is not an unprimeable number, because it can be changed into a prime (10403042021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5306695 + ... + 5308654.

It is an arithmetic number, because the mean of its divisors is an integer number (705920775).

Almost surely, 2^10403042020 is an apocalyptic number.

10403042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10403042020 is an abundant number, since it is smaller than the sum of its proper divisors (15010105880).

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

10403042020 is a wasteful number, since it uses less digits than its factorization.

10403042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615372 (or 10615363 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10403042020 its reverse (2024030401), we get a palindrome (12427072421).

The spelling of 10403042020 in words is "ten billion, four hundred three million, forty-two thousand, twenty".