20003312311230 has 32 divisors (see below), whose sum is σ = 48008067992064. Its totient is φ = 5334203455776.

The previous prime is 20003312311187. The next prime is 20003312311237. The reversal of 20003312311230 is 3211321330002.

It is a super-2 number, since 2×20003312311230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003312311197 and 20003312311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003312311237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21247479 + ... + 22168941.

It is an arithmetic number, because the mean of its divisors is an integer number (1500252124752).

Almost surely, 2^{20003312311230} is an apocalyptic number.

20003312311230 is an abundant number, since it is smaller than the sum of its proper divisors (28004755680834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003312311230 is a wasteful number, since it uses less digits than its factorization.

20003312311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20003312311230 its reverse (3211321330002), we get a palindrome (23214633641232).

The spelling of 20003312311230 in words is "twenty trillion, three billion, three hundred twelve million, three hundred eleven thousand, two hundred thirty".