10003344420 has 96 divisors (see below), whose sum is σ = 28812422016. Its totient is φ = 2591308800.

The previous prime is 10003344401. The next prime is 10003344469. The reversal of 10003344420 is 2444330001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530760 + ... + 1537280.

It is an arithmetic number, because the mean of its divisors is an integer number (300129396).

Almost surely, 2^10003344420 is an apocalyptic number.

10003344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10003344420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14406211008).

10003344420 is an abundant number, since it is smaller than the sum of its proper divisors (18809077596).

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

10003344420 is a wasteful number, since it uses less digits than its factorization.

10003344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7259 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 10003344420 its reverse (2444330001), we get a palindrome (12447674421).

It can be divided in two parts, 100033 and 44420, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 10003344420 in words is "ten billion, three million, three hundred forty-four thousand, four hundred twenty".