10503730420 has 12 divisors (see below), whose sum is σ = 22057833924. Its totient is φ = 4201492160.

The previous prime is 10503730373. The next prime is 10503730421. The reversal of 10503730420 is 2403730501.

It can be written as a sum of positive squares in 2 ways, for example, as 4966584676 + 5537145744 = 70474^2 + 74412^2 .

It is a super-2 number, since 2×10503730420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503730421) 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, 262593241 + ... + 262593280.

It is an arithmetic number, because the mean of its divisors is an integer number (1838152827).

Almost surely, 2^10503730420 is an apocalyptic number.

10503730420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10503730420 is an abundant number, since it is smaller than the sum of its proper divisors (11554103504).

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

10503730420 is a wasteful number, since it uses less digits than its factorization.

10503730420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525186530 (or 525186528 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The spelling of 10503730420 in words is "ten billion, five hundred three million, seven hundred thirty thousand, four hundred twenty".