10303140420 has 72 divisors (see below), whose sum is σ = 31382671320. Its totient is φ = 2736092160.

The previous prime is 10303140409. The next prime is 10303140433. The reversal of 10303140420 is 2404130301.

10303140420 is a `hidden beast` number, since 103 + 0 + 3 + 140 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3777085764 + 6526054656 = 61458^2 + 80784^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10303140393 and 10303140402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75375 + ... + 162134.

It is an arithmetic number, because the mean of its divisors is an integer number (435870435).

Almost surely, 2^10303140420 is an apocalyptic number.

10303140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303140420 is an abundant number, since it is smaller than the sum of its proper divisors (21079530900).

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

10303140420 is a wasteful number, since it uses less digits than its factorization.

10303140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237765 (or 237760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10303140420 its reverse (2404130301), we get a palindrome (12707270721).

The spelling of 10303140420 in words is "ten billion, three hundred three million, one hundred forty thousand, four hundred twenty".