20120000023 has 8 divisors (see below), whose sum is σ = 20185113600. Its totient is φ = 20054928120.

The previous prime is 20120000003. The next prime is 20120000039. The reversal of 20120000023 is 32000002102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120000023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20119999964 and 20120000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168128 + ... + 1185226.

It is an arithmetic number, because the mean of its divisors is an integer number (2523139200).

Almost surely, 2^20120000023 is an apocalyptic number.

20120000023 is a deficient number, since it is larger than the sum of its proper divisors (65113577).

20120000023 is a wasteful number, since it uses less digits than its factorization.

20120000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20837.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20120000023 its reverse (32000002102), we get a palindrome (52120002125).

The spelling of 20120000023 in words is "twenty billion, one hundred twenty million, twenty-three", and thus it is an aban number.