1002000021330 has 128 divisors (see below), whose sum is σ = 3061983928320. Its totient is φ = 203777821440.

The previous prime is 1002000021307. The next prime is 1002000021371. The reversal of 1002000021330 is 331200002001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4505965 + ... + 4723104.

It is an arithmetic number, because the mean of its divisors is an integer number (23921749440).

Almost surely, 2^{1002000021330} is an apocalyptic number.

1002000021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002000021330 is an abundant number, since it is smaller than the sum of its proper divisors (2059983906990).

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

1002000021330 is a wasteful number, since it uses less digits than its factorization.

1002000021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229144.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1002000021330 its reverse (331200002001), we get a palindrome (1333200023331).

The spelling of 1002000021330 in words is "one trillion, two billion, twenty-one thousand, three hundred thirty".