202020230102 has 4 divisors (see below), whose sum is σ = 303030345156. Its totient is φ = 101010115050.

The previous prime is 202020230101. The next prime is 202020230161. The reversal of 202020230102 is 201032020202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020230101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505057524 + ... + 50505057527.

It is an arithmetic number, because the mean of its divisors is an integer number (75757586289).

Almost surely, 2^202020230102 is an apocalyptic number.

202020230102 is a deficient number, since it is larger than the sum of its proper divisors (101010115054).

202020230102 is a wasteful number, since it uses less digits than its factorization.

202020230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010115053.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 202020230102 its reverse (201032020202), we get a palindrome (403052250304).

The spelling of 202020230102 in words is "two hundred two billion, twenty million, two hundred thirty thousand, one hundred two".