20231200213203 has 32 divisors (see below), whose sum is σ = 31117888051200. Its totient is φ = 11452664918016.

The previous prime is 20231200213201. The next prime is 20231200213283. The reversal of 20231200213203 is 30231200213202.

It is a happy number.

It is not a de Polignac number, because 20231200213203 - 2¹ = 20231200213201 is a prime.

It is a super-2 number, since 2×20231200213203² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20231200213203.

It is not an unprimeable number, because it can be changed into a prime (20231200213201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9474138 + ... + 11411471.

It is an arithmetic number, because the mean of its divisors is an integer number (972434001600).

Almost surely, 2^{20231200213203} is an apocalyptic number.

20231200213203 is a deficient number, since it is larger than the sum of its proper divisors (10886687837997).

20231200213203 is a wasteful number, since it uses less digits than its factorization.

20231200213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20886051.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20231200213203 its reverse (30231200213202), we get a palindrome (50462400426405).

Subtracting 20231200213203 from its reverse (30231200213202), we obtain a palindrome (9999999999999).

The spelling of 20231200213203 in words is "twenty trillion, two hundred thirty-one billion, two hundred million, two hundred thirteen thousand, two hundred three".