20030194759 has 32 divisors (see below), whose sum is σ = 22088350080. Its totient is φ = 18101411328.

The previous prime is 20030194753. The next prime is 20030194771. The reversal of 20030194759 is 95749103002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20030194759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030194753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25911897 + ... + 25912669.

It is an arithmetic number, because the mean of its divisors is an integer number (690260940).

Almost surely, 2^20030194759 is an apocalyptic number.

20030194759 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20030194759 is a deficient number, since it is larger than the sum of its proper divisors (2058155321).

20030194759 is a wasteful number, since it uses less digits than its factorization.

20030194759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 20030194759 in words is "twenty billion, thirty million, one hundred ninety-four thousand, seven hundred fifty-nine".