102020321002 has 8 divisors (see below), whose sum is σ = 154874222496. Its totient is φ = 50395580172.

The previous prime is 102020320999. The next prime is 102020321017. The reversal of 102020321002 is 200123020201.

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

It is a super-2 number, since 2×102020321002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307289958 + ... + 307290289.

It is an arithmetic number, because the mean of its divisors is an integer number (19359277812).

Almost surely, 2^102020321002 is an apocalyptic number.

102020321002 is a deficient number, since it is larger than the sum of its proper divisors (52853901494).

102020321002 is an equidigital number, since it uses as much as digits as its factorization.

102020321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614580332.

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

Adding to 102020321002 its reverse (200123020201), we get a palindrome (302143341203).

The spelling of 102020321002 in words is "one hundred two billion, twenty million, three hundred twenty-one thousand, two".