20434303011019 has 24 divisors (see below), whose sum is σ = 21246183429120. Its totient is φ = 19652487664992.

The previous prime is 20434303010981. The next prime is 20434303011071. The reversal of 20434303011019 is 91011030343402.

It is not a de Polignac number, because 20434303011019 - 2³³ = 20425713076427 is a prime.

It is a super-2 number, since 2×20434303011019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20434303014019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226100562 + ... + 226190920.

It is an arithmetic number, because the mean of its divisors is an integer number (885257642880).

Almost surely, 2^{20434303011019} is an apocalyptic number.

20434303011019 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20434303011019 is a deficient number, since it is larger than the sum of its proper divisors (811880418101).

20434303011019 is an equidigital number, since it uses as much as digits as its factorization.

20434303011019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91467 (or 91438 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 20434303011019 in words is "twenty trillion, four hundred thirty-four billion, three hundred three million, eleven thousand, nineteen".