1020202112304 has 240 divisors, whose sum is σ = 3032299670400. Its totient is φ = 319294310400.

The previous prime is 1020202112263. The next prime is 1020202112341. The reversal of 1020202112304 is 4032112020201.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391030552 + ... + 391033160.

It is an arithmetic number, because the mean of its divisors is an integer number (12634581960).

Almost surely, 2^{1020202112304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020202112304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516149835200).

1020202112304 is an abundant number, since it is smaller than the sum of its proper divisors (2012097558096).

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

1020202112304 is a wasteful number, since it uses less digits than its factorization.

1020202112304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1020202112304 its reverse (4032112020201), we get a palindrome (5052314132505).

The spelling of 1020202112304 in words is "one trillion, twenty billion, two hundred two million, one hundred twelve thousand, three hundred four".