1002041033420 has 48 divisors (see below), whose sum is σ = 2405300583168. Its totient is φ = 343499482560.

The previous prime is 1002041033401. The next prime is 1002041033423. The reversal of 1002041033420 is 243301402001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002041033392 and 1002041033401.

It is not an unprimeable number, because it can be changed into a prime (1002041033423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246179 + ... + 1436901.

It is an arithmetic number, because the mean of its divisors is an integer number (50110428816).

Almost surely, 2^{1002041033420} is an apocalyptic number.

1002041033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002041033420 is an abundant number, since it is smaller than the sum of its proper divisors (1403259549748).

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

1002041033420 is a wasteful number, since it uses less digits than its factorization.

1002041033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196750 (or 1196748 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1002041033420 its reverse (243301402001), we get a palindrome (1245342435421).

The spelling of 1002041033420 in words is "one trillion, two billion, forty-one million, thirty-three thousand, four hundred twenty".