10203816 has 32 divisors (see below), whose sum is σ = 29154240. Its totient is φ = 2915328.

The previous prime is 10203803. The next prime is 10203827. The reversal of 10203816 is 61830201.

10203816 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

10203816 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 10203792 and 10203801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30201 + ... + 30536.

It is an arithmetic number, because the mean of its divisors is an integer number (911070).

Almost surely, 2^10203816 is an apocalyptic number.

It is an amenable number.

10203816 is an abundant number, since it is smaller than the sum of its proper divisors (18950424).

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

10203816 is a wasteful number, since it uses less digits than its factorization.

10203816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60753 (or 60749 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10203816 is about 3194.3412466423. The cubic root of 10203816 is about 216.8973301537.

The spelling of 10203816 in words is "ten million, two hundred three thousand, eight hundred sixteen".