1002300020000 has 60 divisors (see below), whose sum is σ = 2465808443406. Its totient is φ = 400920000000.

The previous prime is 1002300019993. The next prime is 1002300020003. The reversal of 1002300020000 is 200032001.

1002300020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 26227154704 + 976072865296 = 161948^2 + 987964^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1002300020000.

It is not an unprimeable number, because it can be changed into a prime (1002300020003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25037501 + ... + 25077500.

Almost surely, 2^{1002300020000} is an apocalyptic number.

1002300020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002300020000 is an abundant number, since it is smaller than the sum of its proper divisors (1463508423406).

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

1002300020000 is an frugal number, since it uses more digits than its factorization.

1002300020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50115031 (or 50115008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 1002300020000 its reverse (200032001), we get a palindrome (1002500052001).

The spelling of 1002300020000 in words is "one trillion, two billion, three hundred million, twenty thousand".