120020771 has 8 divisors (see below), whose sum is σ = 129932544. Its totient is φ = 110206080.

The previous prime is 120020767. The next prime is 120020773. The reversal of 120020771 is 177020021.

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

It is a cyclic number.

It is not a de Polignac number, because 120020771 - 2² = 120020767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020773) 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, 21686 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (16241568).

Almost surely, 2^120020771 is an apocalyptic number.

120020771 is a deficient number, since it is larger than the sum of its proper divisors (9911773).

120020771 is a wasteful number, since it uses less digits than its factorization.

120020771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48541.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 120020771 is about 10955.3991711850. The cubic root of 120020771 is about 493.2708719415.

Adding to 120020771 its reverse (177020021), we get a palindrome (297040792).

The spelling of 120020771 in words is "one hundred twenty million, twenty thousand, seven hundred seventy-one".