2012020319 has 4 divisors (see below), whose sum is σ = 2081400360. Its totient is φ = 1942640280.

The previous prime is 2012020313. The next prime is 2012020327. The reversal of 2012020319 is 9130202102.

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 2012020319 - 2⁴ = 2012020303 is a prime.

It is a super-2 number, since 2×2012020319² = 8096451528137723522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012020319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34689977 + ... + 34690034.

It is an arithmetic number, because the mean of its divisors is an integer number (520350090).

Almost surely, 2^2012020319 is an apocalyptic number.

2012020319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2012020319 is a deficient number, since it is larger than the sum of its proper divisors (69380041).

2012020319 is an equidigital number, since it uses as much as digits as its factorization.

2012020319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69380040.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2012020319 is about 44855.5494782976. The cubic root of 2012020319 is about 1262.4401187688.

The spelling of 2012020319 in words is "two billion, twelve million, twenty thousand, three hundred nineteen".