10203900 has 144 divisors (see below), whose sum is σ = 34831104. Its totient is φ = 2257920.

The previous prime is 10203889. The next prime is 10203979. The reversal of 10203900 is 930201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10203900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90244 + ... + 90356.

Almost surely, 2^10203900 is an apocalyptic number.

10203900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17415552).

10203900 is an abundant number, since it is smaller than the sum of its proper divisors (24627204).

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

10203900 is a wasteful number, since it uses less digits than its factorization.

10203900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 10203900 is about 3194.3543948660. The cubic root of 10203900 is about 216.8979253339.

The spelling of 10203900 in words is "ten million, two hundred three thousand, nine hundred".