10503045020 has 48 divisors (see below), whose sum is σ = 23760539040. Its totient is φ = 3876823296.

The previous prime is 10503044983. The next prime is 10503045031. The reversal of 10503045020 is 2054030501.

It is a super-2 number, since 2×10503045020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10503044983 and 10503045001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522499 + ... + 1529381.

It is an arithmetic number, because the mean of its divisors is an integer number (495011230).

Almost surely, 2^10503045020 is an apocalyptic number.

10503045020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10503045020 is an abundant number, since it is smaller than the sum of its proper divisors (13257494020).

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

10503045020 is a wasteful number, since it uses less digits than its factorization.

10503045020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774 (or 12772 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 10503045020 its reverse (2054030501), we get a palindrome (12557075521).

The spelling of 10503045020 in words is "ten billion, five hundred three million, forty-five thousand, twenty".