1023331332220 has 12 divisors (see below), whose sum is σ = 2148995797704. Its totient is φ = 409332532880.

The previous prime is 1023331332211. The next prime is 1023331332269. The reversal of 1023331332220 is 222331333201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25583283286 + ... + 25583283325.

It is an arithmetic number, because the mean of its divisors is an integer number (179082983142).

Almost surely, 2^{1023331332220} is an apocalyptic number.

1023331332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023331332220 is an abundant number, since it is smaller than the sum of its proper divisors (1125664465484).

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

1023331332220 is a wasteful number, since it uses less digits than its factorization.

1023331332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51166566620 (or 51166566618 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1023331332220 its reverse (222331333201), we get a palindrome (1245662665421).

The spelling of 1023331332220 in words is "one trillion, twenty-three billion, three hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty".