10872020 has 12 divisors (see below), whose sum is σ = 22831284. Its totient is φ = 4348800.

The previous prime is 10872019. The next prime is 10872053. The reversal of 10872020 is 2027801.

10872020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 8042896 = 1682^2 + 2836^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 543601 = 10872020 / (1 + 0 + 8 + 7 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10871983 and 10872001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271781 + ... + 271820.

It is an arithmetic number, because the mean of its divisors is an integer number (1902607).

Almost surely, 2^10872020 is an apocalyptic number.

10872020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10872020 is an abundant number, since it is smaller than the sum of its proper divisors (11959264).

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

10872020 is a wasteful number, since it uses less digits than its factorization.

10872020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543610 (or 543608 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10872020 is about 3297.2746321773. The cubic root of 10872020 is about 221.5321424208.

Adding to 10872020 its reverse (2027801), we get a palindrome (12899821).

The spelling of 10872020 in words is "ten million, eight hundred seventy-two thousand, twenty".