20031002119 has 4 divisors (see below), whose sum is σ = 20721726360. Its totient is φ = 19340277880.

The previous prime is 20031002113. The next prime is 20031002171. The reversal of 20031002119 is 91120013002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20031002119 - 2⁹ = 20031001607 is a prime.

It is a super-2 number, since 2×20031002119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20031002096 and 20031002105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345362077 + ... + 345362134.

It is an arithmetic number, because the mean of its divisors is an integer number (5180431590).

Almost surely, 2^20031002119 is an apocalyptic number.

20031002119 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20031002119 is a deficient number, since it is larger than the sum of its proper divisors (690724241).

20031002119 is an equidigital number, since it uses as much as digits as its factorization.

20031002119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690724240.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 20031002119 in words is "twenty billion, thirty-one million, two thousand, one hundred nineteen".