2150020019 has 8 divisors (see below), whose sum is σ = 2461711968. Its totient is φ = 1839464640.

The previous prime is 2150020007. The next prime is 2150020021. The reversal of 2150020019 is 9100200512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150020019 is a prime.

It is a super-2 number, since 2×2150020019² = 9245172164201520722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150020219) 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, 280082 + ... + 287655.

It is an arithmetic number, because the mean of its divisors is an integer number (307713996).

Almost surely, 2^2150020019 is an apocalyptic number.

2150020019 is a deficient number, since it is larger than the sum of its proper divisors (311691949).

2150020019 is an equidigital number, since it uses as much as digits as its factorization.

2150020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568285.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2150020019 is about 46368.3083474047. The cubic root of 2150020019 is about 1290.6668865190. Note that the first 3 decimals are identical.

The spelling of 2150020019 in words is "two billion, one hundred fifty million, twenty thousand, nineteen".