102320020210 has 16 divisors (see below), whose sum is σ = 184317624792. Its totient is φ = 40896544000.

The previous prime is 102320020181. The next prime is 102320020217. The reversal of 102320020210 is 12020023201.

It can be written as a sum of positive squares in 4 ways, for example, as 23133497409 + 79186522801 = 152097^2 + 281401^2 .

It is not an unprimeable number, because it can be changed into a prime (102320020217) 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, 3919351 + ... + 3945370.

Almost surely, 2^102320020210 is an apocalyptic number.

102320020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102320020210 is a deficient number, since it is larger than the sum of its proper divisors (81997604582).

102320020210 is a wasteful number, since it uses less digits than its factorization.

102320020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866029.

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

Adding to 102320020210 its reverse (12020023201), we get a palindrome (114340043411).

The spelling of 102320020210 in words is "one hundred two billion, three hundred twenty million, twenty thousand, two hundred ten".