1031032220020 has 48 divisors (see below), whose sum is σ = 2390458972608. Its totient is φ = 370403682560.

The previous prime is 1031032219969. The next prime is 1031032220041. The reversal of 1031032220020 is 200222301301.

It is a junction number, because it is equal to n+sod(n) for n = 1031032219976 and 1031032220003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28213729 + ... + 28250248.

It is an arithmetic number, because the mean of its divisors is an integer number (49801228596).

Almost surely, 2^{1031032220020} is an apocalyptic number.

1031032220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031032220020 is an abundant number, since it is smaller than the sum of its proper divisors (1359426752588).

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

1031032220020 is a wasteful number, since it uses less digits than its factorization.

1031032220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56464080 (or 56464078 counting only the distinct ones).

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

Adding to 1031032220020 its reverse (200222301301), we get a palindrome (1231254521321).

The spelling of 1031032220020 in words is "one trillion, thirty-one billion, thirty-two million, two hundred twenty thousand, twenty".