36815020 has 24 divisors (see below), whose sum is σ = 84340368. Its totient is φ = 13387200.

The previous prime is 36814969. The next prime is 36815021. The reversal of 36815020 is 2051863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36815021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83451 + ... + 83890.

It is an arithmetic number, because the mean of its divisors is an integer number (3514182).

Almost surely, 2^36815020 is an apocalyptic number.

It is an amenable number.

36815020 is an abundant number, since it is smaller than the sum of its proper divisors (47525348).

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

36815020 is a wasteful number, since it uses less digits than its factorization.

36815020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167361 (or 167359 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 36815020 is about 6067.5382157841. The cubic root of 36815020 is about 332.6659469000.

Adding to 36815020 its reverse (2051863), we get a palindrome (38866883).

The spelling of 36815020 in words is "thirty-six million, eight hundred fifteen thousand, twenty".