36512020 has 12 divisors (see below), whose sum is σ = 76675284. Its totient is φ = 14604800.

The previous prime is 36512011. The next prime is 36512023. The reversal of 36512020 is 2021563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 7739524 = 5364^2 + 2782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36512023) 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, 912781 + ... + 912820.

It is an arithmetic number, because the mean of its divisors is an integer number (6389607).

Almost surely, 2^36512020 is an apocalyptic number.

It is an amenable number.

36512020 is an abundant number, since it is smaller than the sum of its proper divisors (40163264).

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

36512020 is a wasteful number, since it uses less digits than its factorization.

36512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825610 (or 1825608 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 36512020 is about 6042.5176871897. The cubic root of 36512020 is about 331.7507806940.

Adding to 36512020 its reverse (2021563), we get a palindrome (38533583).

It can be divided in two parts, 3651 and 2020, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 36512020 in words is "thirty-six million, five hundred twelve thousand, twenty".