120020019 has 8 divisors (see below), whose sum is σ = 182887680. Its totient is φ = 68582856.

The previous prime is 120020011. The next prime is 120020027. The reversal of 120020019 is 910020021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120020011) and next prime (120020027).

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

It is not a de Polignac number, because 120020019 - 2³ = 120020011 is a prime.

It is a super-2 number, since 2×120020019² = 28809609921520722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120020011) 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, 2857599 + ... + 2857640.

It is an arithmetic number, because the mean of its divisors is an integer number (22860960).

Almost surely, 2^120020019 is an apocalyptic number.

120020019 is a deficient number, since it is larger than the sum of its proper divisors (62867661).

120020019 is an equidigital number, since it uses as much as digits as its factorization.

120020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715249.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 120020019 is about 10955.3648501545. The cubic root of 120020019 is about 493.2698417296.

The spelling of 120020019 in words is "one hundred twenty million, twenty thousand, nineteen".