3231220001020 has 48 divisors (see below), whose sum is σ = 7792032931200. Its totient is φ = 1113147558720.

The previous prime is 3231220001003. The next prime is 3231220001033. The reversal of 3231220001020 is 201000221323.

It is a junction number, because it is equal to n+sod(n) for n = 3231220000985 and 3231220001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386505390 + ... + 386513749.

It is an arithmetic number, because the mean of its divisors is an integer number (162334019400).

Almost surely, 2^{3231220001020} is an apocalyptic number.

It is an amenable number.

3231220001020 is an abundant number, since it is smaller than the sum of its proper divisors (4560812930180).

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

3231220001020 is a wasteful number, since it uses less digits than its factorization.

3231220001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773019178 (or 773019176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 3231220001020 its reverse (201000221323), we get a palindrome (3432220222343).

The spelling of 3231220001020 in words is "three trillion, two hundred thirty-one billion, two hundred twenty million, one thousand, twenty".