20110011023 has 8 divisors (see below), whose sum is σ = 20763262080. Its totient is φ = 19457043840.

The previous prime is 20110011017. The next prime is 20110011041. The reversal of 20110011023 is 32011001102.

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 20110011023 - 2³⁰ = 19036269199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110010995 and 20110011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110011083) 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, 78011 + ... + 215187.

It is an arithmetic number, because the mean of its divisors is an integer number (2595407760).

Almost surely, 2^20110011023 is an apocalyptic number.

20110011023 is a deficient number, since it is larger than the sum of its proper divisors (653251057).

20110011023 is a wasteful number, since it uses less digits than its factorization.

20110011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141937.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20110011023 its reverse (32011001102), we get a palindrome (52121012125).

It can be divided in two parts, 2011001102 and 3, that multiplied together give a palindrome (6033003306).

The spelling of 20110011023 in words is "twenty billion, one hundred ten million, eleven thousand, twenty-three".