102020321030202 has 16 divisors (see below), whose sum is σ = 226711824511680. Its totient is φ = 34006773676716.

The previous prime is 102020321030101. The next prime is 102020321030233. The reversal of 102020321030202 is 202030123020201.

102020321030202 is a `hidden beast` number, since 1 + 0 + 20 + 20 + 321 + 0 + 302 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944632602078 + ... + 944632602185.

It is an arithmetic number, because the mean of its divisors is an integer number (14169489031980).

Almost surely, 2^{102020321030202} is an apocalyptic number.

102020321030202 is an abundant number, since it is smaller than the sum of its proper divisors (124691503481478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102020321030202 is a wasteful number, since it uses less digits than its factorization.

102020321030202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889265204274 (or 1889265204268 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102020321030202 its reverse (202030123020201), we get a palindrome (304050444050403).

The spelling of 102020321030202 in words is "one hundred two trillion, twenty billion, three hundred twenty-one million, thirty thousand, two hundred two".