10905020 has 24 divisors (see below), whose sum is σ = 26172384. Its totient is φ = 3738816.

The previous prime is 10905017. The next prime is 10905023. The reversal of 10905020 is 2050901.

It is an interprime number because it is at equal distance from previous prime (10905017) and next prime (10905023).

It is a super-2 number, since 2×10905020² = 237838922400800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10905020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10905023) 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 7 ways as a sum of consecutive naturals, for example, 38807 + ... + 39086.

It is an arithmetic number, because the mean of its divisors is an integer number (1090516).

Almost surely, 2^10905020 is an apocalyptic number.

10905020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10905020 is an abundant number, since it is smaller than the sum of its proper divisors (15267364).

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

10905020 is a wasteful number, since it uses less digits than its factorization.

10905020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77909 (or 77907 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 10905020 is about 3302.2749734085. The cubic root of 10905020 is about 221.7560559324.

Adding to 10905020 its reverse (2050901), we get a palindrome (12955921).

The spelling of 10905020 in words is "ten million, nine hundred five thousand, twenty".