1002030021004 has 48 divisors (see below), whose sum is σ = 1869605599680. Its totient is φ = 468268646400.

The previous prime is 1002030021001. The next prime is 1002030021029. The reversal of 1002030021004 is 4001200302001.

1002030021004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1002030021001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35482362 + ... + 35510590.

It is an arithmetic number, because the mean of its divisors is an integer number (38950116660).

Almost surely, 2^{1002030021004} is an apocalyptic number.

It is an amenable number.

1002030021004 is a deficient number, since it is larger than the sum of its proper divisors (867575578676).

1002030021004 is a wasteful number, since it uses less digits than its factorization.

1002030021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31858 (or 31856 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1002030021004 its reverse (4001200302001), we get a palindrome (5003230323005).

The spelling of 1002030021004 in words is "one trillion, two billion, thirty million, twenty-one thousand, four".