10203240 has 32 divisors (see below), whose sum is σ = 30610080. Its totient is φ = 2720832.

The previous prime is 10203223. The next prime is 10203241. The reversal of 10203240 is 4230201.

It is a super-2 number, since 2×10203240² = 208212212995200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10203241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42394 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (956565).

Almost surely, 2^10203240 is an apocalyptic number.

10203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203240 is an abundant number, since it is smaller than the sum of its proper divisors (20406840).

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

10203240 is a wasteful number, since it uses less digits than its factorization.

10203240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85041 (or 85037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 10203240 is about 3194.2510859355. The cubic root of 10203240 is about 216.8932488305.

Adding to 10203240 its reverse (4230201), we get a palindrome (14433441).

The spelling of 10203240 in words is "ten million, two hundred three thousand, two hundred forty".