20034555111199 has 16 divisors (see below), whose sum is σ = 21190730932224. Its totient is φ = 18910493092800.

The previous prime is 20034555111157. The next prime is 20034555111271. The reversal of 20034555111199 is 99111155543002.

It is a cyclic number.

It is not a de Polignac number, because 20034555111199 - 2¹³ = 20034555103007 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 (20034555111149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2869642 + ... + 6950104.

It is an arithmetic number, because the mean of its divisors is an integer number (1324420683264).

Almost surely, 2^{20034555111199} is an apocalyptic number.

20034555111199 is a deficient number, since it is larger than the sum of its proper divisors (1156175821025).

20034555111199 is a wasteful number, since it uses less digits than its factorization.

20034555111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084398.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 20034555111199 in words is "twenty trillion, thirty-four billion, five hundred fifty-five million, one hundred eleven thousand, one hundred ninety-nine".