1024403421020 has 48 divisors (see below), whose sum is σ = 2458673300160. Its totient is φ = 351209017344.

The previous prime is 1024403421011. The next prime is 1024403421037. The reversal of 1024403421020 is 201243044201.

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 15 ways as a sum of consecutive naturals, for example, 3422012 + ... + 3709308.

It is an arithmetic number, because the mean of its divisors is an integer number (51222360420).

Almost surely, 2^{1024403421020} is an apocalyptic number.

1024403421020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024403421020 is an abundant number, since it is smaller than the sum of its proper divisors (1434269879140).

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

1024403421020 is a wasteful number, since it uses less digits than its factorization.

1024403421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312782 (or 312780 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1024403421020 its reverse (201243044201), we get a palindrome (1225646465221).

The spelling of 1024403421020 in words is "one trillion, twenty-four billion, four hundred three million, four hundred twenty-one thousand, twenty".