2102400203 has 8 divisors (see below), whose sum is σ = 2109344208. Its totient is φ = 2095468704.

The previous prime is 2102400187. The next prime is 2102400229. The reversal of 2102400203 is 3020042012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102400203 - 2⁴ = 2102400187 is a prime.

It is a super-2 number, since 2×2102400203² = 8840173227148882418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102400263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423725 + ... + 428657.

It is an arithmetic number, because the mean of its divisors is an integer number (263668026).

Almost surely, 2^2102400203 is an apocalyptic number.

2102400203 is a deficient number, since it is larger than the sum of its proper divisors (6944005).

2102400203 is an equidigital number, since it uses as much as digits as its factorization.

2102400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2102400203 is about 45851.9378325497. The cubic root of 2102400203 is about 1281.0668601753.

Adding to 2102400203 its reverse (3020042012), we get a palindrome (5122442215).

The spelling of 2102400203 in words is "two billion, one hundred two million, four hundred thousand, two hundred three".