10636020 has 72 divisors (see below), whose sum is σ = 33155304. Its totient is φ = 2757888.

The previous prime is 10636019. The next prime is 10636061. The reversal of 10636020 is 2063601.

It is a happy number.

10636020 is a `hidden beast` number, since 1 + 0 + 63 + 602 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1527696 + 9108324 = 1236^2 + 3018^2 .

It is a super-2 number, since 2×10636020² = 226249842880800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10635984 and 10636002.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5862 + ... + 7458.

Almost surely, 2^10636020 is an apocalyptic number.

10636020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10636020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16577652).

10636020 is an abundant number, since it is smaller than the sum of its proper divisors (22519284).

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

10636020 is a wasteful number, since it uses less digits than its factorization.

10636020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 10636020 is about 3261.2911553555. The cubic root of 10636020 is about 219.9174621509.

Adding to 10636020 its reverse (2063601), we get a palindrome (12699621).

The spelling of 10636020 in words is "ten million, six hundred thirty-six thousand, twenty".