20001200023 has 8 divisors (see below), whose sum is σ = 22859372448. Its totient is φ = 17143242144.

The previous prime is 20001199973. The next prime is 20001200047. The reversal of 20001200023 is 32000210002.

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

It is not a de Polignac number, because 20001200023 - 2⁹ = 20001199511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001199982 and 20001200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004200023) 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, 315765 + ... + 373777.

It is an arithmetic number, because the mean of its divisors is an integer number (2857421556).

Almost surely, 2^20001200023 is an apocalyptic number.

20001200023 is a deficient number, since it is larger than the sum of its proper divisors (2858172425).

20001200023 is an equidigital number, since it uses as much as digits as its factorization.

20001200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107273.

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

Adding to 20001200023 its reverse (32000210002), we get a palindrome (52001410025).

The spelling of 20001200023 in words is "twenty billion, one million, two hundred thousand, twenty-three".