102020332 has 24 divisors (see below), whose sum is σ = 190998864. Its totient is φ = 47511552.

The previous prime is 102020323. The next prime is 102020339. The reversal of 102020332 is 233020201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102020339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (7958286).

Almost surely, 2^102020332 is an apocalyptic number.

It is an amenable number.

102020332 is a deficient number, since it is larger than the sum of its proper divisors (88978532).

102020332 is a wasteful number, since it uses less digits than its factorization.

102020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585 (or 15583 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 102020332 is about 10100.5114721978. The cubic root of 102020332 is about 467.2639158016.

Adding to 102020332 its reverse (233020201), we get a palindrome (335040533).

The spelling of 102020332 in words is "one hundred two million, twenty thousand, three hundred thirty-two".