10303420240 has 20 divisors (see below), whose sum is σ = 23955452244. Its totient is φ = 4121368064.

The previous prime is 10303420223. The next prime is 10303420243. The reversal of 10303420240 is 4202430301.

It can be written as a sum of positive squares in 2 ways, for example, as 6706299664 + 3597120576 = 81892^2 + 59976^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303420243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64396297 + ... + 64396456.

Almost surely, 2^10303420240 is an apocalyptic number.

10303420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303420240 is an abundant number, since it is smaller than the sum of its proper divisors (13652032004).

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

10303420240 is a wasteful number, since it uses less digits than its factorization.

10303420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128792766 (or 128792760 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10303420240 its reverse (4202430301), we get a palindrome (14505850541).

The spelling of 10303420240 in words is "ten billion, three hundred three million, four hundred twenty thousand, two hundred forty".