20001031203230 has 96 divisors (see below), whose sum is σ = 46435923883872. Its totient is φ = 6131889388800.

The previous prime is 20001031203221. The next prime is 20001031203281. The reversal of 20001031203230 is 3230213010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001031203199 and 20001031203208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30087329 + ... + 30744908.

It is an arithmetic number, because the mean of its divisors is an integer number (483707540457).

Almost surely, 2^{20001031203230} is an apocalyptic number.

20001031203230 is an abundant number, since it is smaller than the sum of its proper divisors (26434892680642).

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

20001031203230 is a wasteful number, since it uses less digits than its factorization.

20001031203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60832330 (or 60832323 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20001031203230 its reverse (3230213010002), we get a palindrome (23231244213232).

The spelling of 20001031203230 in words is "twenty trillion, one billion, thirty-one million, two hundred three thousand, two hundred thirty".