1020230144440 has 96 divisors (see below), whose sum is σ = 2486619913680. Its totient is φ = 376557782016.

The previous prime is 1020230144431. The next prime is 1020230144449. The reversal of 1020230144440 is 444410320201.

1020230144440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020230144431) and next prime (1020230144449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020230144449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18745347 + ... + 18799693.

Almost surely, 2^{1020230144440} is an apocalyptic number.

1020230144440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020230144440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243309956840).

1020230144440 is an abundant number, since it is smaller than the sum of its proper divisors (1466389769240).

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

1020230144440 is a wasteful number, since it uses less digits than its factorization.

1020230144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57161 (or 57144 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1020230144440 its reverse (444410320201), we get a palindrome (1464640464641).

The spelling of 1020230144440 in words is "one trillion, twenty billion, two hundred thirty million, one hundred forty-four thousand, four hundred forty".