10204540 has 12 divisors (see below), whose sum is σ = 21429576. Its totient is φ = 4081808.

The previous prime is 10204517. The next prime is 10204541. The reversal of 10204540 is 4540201.

It is a super-2 number, since 2×10204540² = 208265273223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255094 + ... + 255133.

It is an arithmetic number, because the mean of its divisors is an integer number (1785798).

Almost surely, 2^10204540 is an apocalyptic number.

10204540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10204540 is an abundant number, since it is smaller than the sum of its proper divisors (11225036).

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

10204540 is a wasteful number, since it uses less digits than its factorization.

10204540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510236 (or 510234 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10204540 is about 3194.4545700323. The cubic root of 10204540 is about 216.9024599324.

Adding to 10204540 its reverse (4540201), we get a palindrome (14744741).

The spelling of 10204540 in words is "ten million, two hundred four thousand, five hundred forty".