10205400 has 96 divisors (see below), whose sum is σ = 32207760. Its totient is φ = 2672640.

The previous prime is 10205383. The next prime is 10205401. The reversal of 10205400 is 450201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43684 + ... + 43916.

Almost surely, 2^10205400 is an apocalyptic number.

10205400 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 10205400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16103880).

10205400 is an abundant number, since it is smaller than the sum of its proper divisors (22002360).

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

10205400 is a wasteful number, since it uses less digits than its factorization.

10205400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10205400 is about 3194.5891754653. The cubic root of 10205400 is about 216.9085530006.

Adding to 10205400 its reverse (450201), we get a palindrome (10655601).

The spelling of 10205400 in words is "ten million, two hundred five thousand, four hundred".