10303203512420 has 48 divisors (see below), whose sum is σ = 26629818313728. Its totient is φ = 3260794078080.

The previous prime is 10303203512411. The next prime is 10303203512479. The reversal of 10303203512420 is 2421530230301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 10303203512420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830548596 + ... + 2830552235.

It is an arithmetic number, because the mean of its divisors is an integer number (554787881536).

Almost surely, 2^{10303203512420} is an apocalyptic number.

10303203512420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303203512420 is an abundant number, since it is smaller than the sum of its proper divisors (16326614801308).

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

10303203512420 is a wasteful number, since it uses less digits than its factorization.

10303203512420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661100860 (or 5661100858 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 10303203512420 its reverse (2421530230301), we get a palindrome (12724733742721).

The spelling of 10303203512420 in words is "ten trillion, three hundred three billion, two hundred three million, five hundred twelve thousand, four hundred twenty".