1002020119 has 24 divisors (see below), whose sum is σ = 1096182720. Its totient is φ = 915224832.

The previous prime is 1002020087. The next prime is 1002020177. The reversal of 1002020119 is 9110202001.

It is not a de Polignac number, because 1002020119 - 2⁵ = 1002020087 is a prime.

It is a super-2 number, since 2×1002020119² = 2008088637761548322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1238187 + ... + 1238995.

It is an arithmetic number, because the mean of its divisors is an integer number (45674280).

Almost surely, 2^1002020119 is an apocalyptic number.

1002020119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1002020119 is a deficient number, since it is larger than the sum of its proper divisors (94162601).

1002020119 is an equidigital number, since it uses as much as digits as its factorization.

1002020119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1002020119 is about 31654.7013727819. The cubic root of 1002020119 is about 1000.6729200770.

The spelling of 1002020119 in words is "one billion, two million, twenty thousand, one hundred nineteen".