120020219 has 16 divisors (see below), whose sum is σ = 134542080. Its totient is φ = 106140000.

The previous prime is 120020213. The next prime is 120020237. The reversal of 120020219 is 912020021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020219 is a prime.

It is a super-2 number, since 2×120020219² = 28809705937615922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020197 and 120020206.

It is not an unprimeable number, because it can be changed into a prime (120020213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64634 + ... + 66464.

It is an arithmetic number, because the mean of its divisors is an integer number (8408880).

Almost surely, 2^120020219 is an apocalyptic number.

120020219 is a deficient number, since it is larger than the sum of its proper divisors (14521861).

120020219 is a wasteful number, since it uses less digits than its factorization.

120020219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 120020219 is about 10955.3739780986. The cubic root of 120020219 is about 493.2701157225.

The spelling of 120020219 in words is "one hundred twenty million, twenty thousand, two hundred nineteen".