20000210123 has 8 divisors (see below), whose sum is σ = 20606455296. Its totient is φ = 19399604800.

The previous prime is 20000210081. The next prime is 20000210147. The reversal of 20000210123 is 32101200002.

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 20000210123 - 2⁶ = 20000210059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000210723) 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, 1402763 + ... + 1416948.

It is an arithmetic number, because the mean of its divisors is an integer number (2575806912).

Almost surely, 2^20000210123 is an apocalyptic number.

20000210123 is a deficient number, since it is larger than the sum of its proper divisors (606245173).

20000210123 is a wasteful number, since it uses less digits than its factorization.

20000210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819925.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000210123 its reverse (32101200002), we get a palindrome (52101410125).

The spelling of 20000210123 in words is "twenty billion, two hundred ten thousand, one hundred twenty-three".