1002323100020 has 24 divisors (see below), whose sum is σ = 2296231102368. Its totient is φ = 364481127200.

The previous prime is 1002323099951. The next prime is 1002323100043. The reversal of 1002323100020 is 200013232001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002323099968 and 1002323100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278006826 + ... + 2278007265.

It is an arithmetic number, because the mean of its divisors is an integer number (95676295932).

Almost surely, 2^{1002323100020} is an apocalyptic number.

1002323100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002323100020 is an abundant number, since it is smaller than the sum of its proper divisors (1293908002348).

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

1002323100020 is a wasteful number, since it uses less digits than its factorization.

1002323100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556014111 (or 4556014109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1002323100020 its reverse (200013232001), we get a palindrome (1202336332021).

The spelling of 1002323100020 in words is "one trillion, two billion, three hundred twenty-three million, one hundred thousand, twenty".