20201120000123 has 4 divisors (see below), whose sum is σ = 20205628176888. Its totient is φ = 20196611823360.

The previous prime is 20201120000107. The next prime is 20201120000141. The reversal of 20201120000123 is 32100002110202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201120000123 - 2⁴ = 20201120000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201120000098 and 20201120000107.

It is not an unprimeable number, because it can be changed into a prime (20201120000623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254081661 + ... + 2254090622.

It is an arithmetic number, because the mean of its divisors is an integer number (5051407044222).

Almost surely, 2^{20201120000123} is an apocalyptic number.

20201120000123 is a deficient number, since it is larger than the sum of its proper divisors (4508176765).

20201120000123 is an equidigital number, since it uses as much as digits as its factorization.

20201120000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508176764.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20201120000123 its reverse (32100002110202), we get a palindrome (52301122110325).

The spelling of 20201120000123 in words is "twenty trillion, two hundred one billion, one hundred twenty million, one hundred twenty-three", and thus it is an aban number.