102030030202 has 16 divisors (see below), whose sum is σ = 157922232552. Its totient is φ = 49407450880.

The previous prime is 102030030197. The next prime is 102030030203. The reversal of 102030030202 is 202030030201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90672652161 + 11357378041 = 301119^2 + 106571^2 .

It is not an unprimeable number, because it can be changed into a prime (102030030203) 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, 4529893 + ... + 4552360.

Almost surely, 2^102030030202 is an apocalyptic number.

102030030202 is a deficient number, since it is larger than the sum of its proper divisors (55892202350).

102030030202 is a wasteful number, since it uses less digits than its factorization.

102030030202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082433.

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

Adding to 102030030202 its reverse (202030030201), we get a palindrome (304060060403).

Subtracting 102030030202 from its reverse (202030030201), we obtain a palindrome (99999999999).

The spelling of 102030030202 in words is "one hundred two billion, thirty million, thirty thousand, two hundred two".