10203303420 has 72 divisors (see below), whose sum is σ = 31948425600. Its totient is φ = 2633109120.

The previous prime is 10203303413. The next prime is 10203303431. The reversal of 10203303420 is 2430330201.

10203303420 is a `hidden beast` number, since 10 + 203 + 30 + 3 + 420 = 666.

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 = 10203303393 and 10203303402.

It is a congruent number.

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, 908695 + ... + 919854.

Almost surely, 2^10203303420 is an apocalyptic number.

10203303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203303420 is an abundant number, since it is smaller than the sum of its proper divisors (21745122180).

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

10203303420 is a wasteful number, since it uses less digits than its factorization.

10203303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828595 (or 1828590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 10203303420 its reverse (2430330201), we get a palindrome (12633633621).

The spelling of 10203303420 in words is "ten billion, two hundred three million, three hundred three thousand, four hundred twenty".