1020323320203 has 8 divisors (see below), whose sum is σ = 1484106647616. Its totient is φ = 618377769800.

The previous prime is 1020323320193. The next prime is 1020323320249. The reversal of 1020323320203 is 3020233230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020323320203 - 2⁵ = 1020323320171 is a prime.

It is a super-2 number, since 2×1020323320203² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020323320203.

It is not an unprimeable number, because it can be changed into a prime (1020323340203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15459444213 + ... + 15459444278.

It is an arithmetic number, because the mean of its divisors is an integer number (185513330952).

Almost surely, 2^{1020323320203} is an apocalyptic number.

1020323320203 is a deficient number, since it is larger than the sum of its proper divisors (463783327413).

1020323320203 is a wasteful number, since it uses less digits than its factorization.

1020323320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918888505.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 1020323320203 its reverse (3020233230201), we get a palindrome (4040556550404).

The spelling of 1020323320203 in words is "one trillion, twenty billion, three hundred twenty-three million, three hundred twenty thousand, two hundred three".