1021020033204 has 72 divisors (see below), whose sum is σ = 2588113775520. Its totient is φ = 339391121472.

The previous prime is 1021020033151. The next prime is 1021020033251. The reversal of 1021020033204 is 4023300201201.

1021020033204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31832127 + ... + 31864185.

It is an arithmetic number, because the mean of its divisors is an integer number (35946024660).

Almost surely, 2^{1021020033204} is an apocalyptic number.

It is an amenable number.

1021020033204 is an abundant number, since it is smaller than the sum of its proper divisors (1567093742316).

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

1021020033204 is a wasteful number, since it uses less digits than its factorization.

1021020033204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34509 (or 34504 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1021020033204 its reverse (4023300201201), we get a palindrome (5044320234405).

The spelling of 1021020033204 in words is "one trillion, twenty-one billion, twenty million, thirty-three thousand, two hundred four".