120020566 has 8 divisors (see below), whose sum is σ = 180148104. Its totient is φ = 59971200.

The previous prime is 120020519. The next prime is 120020597. The reversal of 120020566 is 665020021.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15540 + ... + 21943.

It is an arithmetic number, because the mean of its divisors is an integer number (22518513).

Almost surely, 2^120020566 is an apocalyptic number.

120020566 is a deficient number, since it is larger than the sum of its proper divisors (60127538).

120020566 is a wasteful number, since it uses less digits than its factorization.

120020566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39086.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 120020566 is about 10955.3898150636. The cubic root of 120020566 is about 493.2705910996.

Adding to 120020566 its reverse (665020021), we get a palindrome (785040587).

The spelling of 120020566 in words is "one hundred twenty million, twenty thousand, five hundred sixty-six".