1021330203432 has 256 divisors, whose sum is σ = 3231830016000. Its totient is φ = 261269760000.

The previous prime is 1021330203371. The next prime is 1021330203449. The reversal of 1021330203432 is 2343020331201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35635444 + ... + 35664092.

It is an arithmetic number, because the mean of its divisors is an integer number (12624336000).

Almost surely, 2^{1021330203432} is an apocalyptic number.

1021330203432 is a gapful number since it is divisible by the number (12) 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 1021330203432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615915008000).

1021330203432 is an abundant number, since it is smaller than the sum of its proper divisors (2210499812568).

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

1021330203432 is a wasteful number, since it uses less digits than its factorization.

1021330203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28968 (or 28964 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1021330203432 its reverse (2343020331201), we get a palindrome (3364350534633).

The spelling of 1021330203432 in words is "one trillion, twenty-one billion, three hundred thirty million, two hundred three thousand, four hundred thirty-two".