10420352503 has 8 divisors (see below), whose sum is σ = 11368506240. Its totient is φ = 9472340280.

The previous prime is 10420352491. The next prime is 10420352549. The reversal of 10420352503 is 30525302401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10420352503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420350503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170926 + ... + 223732.

It is an arithmetic number, because the mean of its divisors is an integer number (1421063280).

Almost surely, 2^10420352503 is an apocalyptic number.

10420352503 is a deficient number, since it is larger than the sum of its proper divisors (948153737).

10420352503 is a wasteful number, since it uses less digits than its factorization.

10420352503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70757.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 10420352503 its reverse (30525302401), we get a palindrome (40945654904).

The spelling of 10420352503 in words is "ten billion, four hundred twenty million, three hundred fifty-two thousand, five hundred three".