1010321023220 has 12 divisors (see below), whose sum is σ = 2121674148804. Its totient is φ = 404128409280.

The previous prime is 1010321023183. The next prime is 1010321023249. The reversal of 1010321023220 is 223201230101.

It can be written as a sum of positive squares in 2 ways, for example, as 325856022244 + 684465000976 = 570838^2 + 827324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25258025561 + ... + 25258025600.

It is an arithmetic number, because the mean of its divisors is an integer number (176806179067).

Almost surely, 2^{1010321023220} is an apocalyptic number.

1010321023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010321023220 is an abundant number, since it is smaller than the sum of its proper divisors (1111353125584).

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

1010321023220 is a wasteful number, since it uses less digits than its factorization.

1010321023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50516051170 (or 50516051168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1010321023220 its reverse (223201230101), we get a palindrome (1233522253321).

The spelling of 1010321023220 in words is "one trillion, ten billion, three hundred twenty-one million, twenty-three thousand, two hundred twenty".