36120020 has 12 divisors (see below), whose sum is σ = 75852084. Its totient is φ = 14448000.

The previous prime is 36120011. The next prime is 36120037. The reversal of 36120020 is 2002163.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 29789764 = 2516^2 + 5458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36119977 and 36120004.

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, 902981 + ... + 903020.

It is an arithmetic number, because the mean of its divisors is an integer number (6321007).

Almost surely, 2^36120020 is an apocalyptic number.

It is an amenable number.

36120020 is an abundant number, since it is smaller than the sum of its proper divisors (39732064).

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

36120020 is a wasteful number, since it uses less digits than its factorization.

36120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806010 (or 1806008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 36120020 is about 6009.9933444223. The cubic root of 36120020 is about 330.5592598141.

Adding to 36120020 its reverse (2002163), we get a palindrome (38122183).

The spelling of 36120020 in words is "thirty-six million, one hundred twenty thousand, twenty".