1020223011440 has 80 divisors (see below), whose sum is σ = 2526957826848. Its totient is φ = 381727531008.

The previous prime is 1020223011427. The next prime is 1020223011463. The reversal of 1020223011440 is 441103220201.

1020223011440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2079437 + ... + 2522796.

Almost surely, 2^{1020223011440} is an apocalyptic number.

1020223011440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020223011440 is an abundant number, since it is smaller than the sum of its proper divisors (1506734815408).

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

1020223011440 is a wasteful number, since it uses less digits than its factorization.

1020223011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602426 (or 4602420 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1020223011440 its reverse (441103220201), we get a palindrome (1461326231641).

The spelling of 1020223011440 in words is "one trillion, twenty billion, two hundred twenty-three million, eleven thousand, four hundred forty".