1020202321 has 8 divisors (see below), whose sum is σ = 1074898080. Its totient is φ = 965606688.

The previous prime is 1020202319. The next prime is 1020202327. The reversal of 1020202321 is 1232020201.

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 1020202321 - 2¹ = 1020202319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020202327) 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, 3631 + ... + 45316.

It is an arithmetic number, because the mean of its divisors is an integer number (134362260).

Almost surely, 2^1020202321 is an apocalyptic number.

It is an amenable number.

1020202321 is a deficient number, since it is larger than the sum of its proper divisors (54695759).

1020202321 is a wasteful number, since it uses less digits than its factorization.

1020202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50063.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020202321 is about 31940.6061464087. The cubic root of 1020202321 is about 1006.6892610141.

Adding to 1020202321 its reverse (1232020201), we get a palindrome (2252222522).

The spelling of 1020202321 in words is "one billion, twenty million, two hundred two thousand, three hundred twenty-one".