120020812 has 12 divisors (see below), whose sum is σ = 211326136. Its totient is φ = 59641920.

The previous prime is 120020773. The next prime is 120020827. The reversal of 120020812 is 218020021.

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, 91389 + ... + 92692.

Almost surely, 2^120020812 is an apocalyptic number.

It is an amenable number.

120020812 is a deficient number, since it is larger than the sum of its proper divisors (91305324).

120020812 is a wasteful number, since it uses less digits than its factorization.

120020812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184248 (or 184246 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 120020812 is about 10955.4010424083. The cubic root of 120020812 is about 493.2709281098.

Adding to 120020812 its reverse (218020021), we get a palindrome (338040833).

The spelling of 120020812 in words is "one hundred twenty million, twenty thousand, eight hundred twelve".