202123020302 has 12 divisors (see below), whose sum is σ = 352684045800. Its totient is φ = 86624151516.

The previous prime is 202123020163. The next prime is 202123020317. The reversal of 202123020302 is 203020321202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1031239802 + ... + 1031239997.

It is an arithmetic number, because the mean of its divisors is an integer number (29390337150).

Almost surely, 2^202123020302 is an apocalyptic number.

202123020302 is a deficient number, since it is larger than the sum of its proper divisors (150561025498).

202123020302 is a wasteful number, since it uses less digits than its factorization.

202123020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062479815 (or 2062479808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202123020302 its reverse (203020321202), we get a palindrome (405143341504).

The spelling of 202123020302 in words is "two hundred two billion, one hundred twenty-three million, twenty thousand, three hundred two".