20034551123 has 8 divisors (see below), whose sum is σ = 20065140480. Its totient is φ = 20003983560.

The previous prime is 20034551111. The next prime is 20034551129. The reversal of 20034551123 is 32115543002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20034551123 - 2⁴ = 20034551107 is a prime.

It is a super-2 number, since 2×20034551123² (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 = 20034551092 and 20034551101.

It is not an unprimeable number, because it can be changed into a prime (20034551129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912378 + ... + 2919248.

It is an arithmetic number, because the mean of its divisors is an integer number (2508142560).

Almost surely, 2^20034551123 is an apocalyptic number.

20034551123 is a deficient number, since it is larger than the sum of its proper divisors (30589357).

20034551123 is an equidigital number, since it uses as much as digits as its factorization.

20034551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20034551123 in words is "twenty billion, thirty-four million, five hundred fifty-one thousand, one hundred twenty-three".