202123002030 has 48 divisors (see below), whose sum is σ = 507103344720. Its totient is φ = 51556008064.

The previous prime is 202123002023. The next prime is 202123002077. The reversal of 202123002030 is 30200321202.

202123002030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6352215 + ... + 6383954.

It is an arithmetic number, because the mean of its divisors is an integer number (10564653015).

Almost surely, 2^202123002030 is an apocalyptic number.

202123002030 is an abundant number, since it is smaller than the sum of its proper divisors (304980342690).

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

202123002030 is a wasteful number, since it uses less digits than its factorization.

202123002030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736225 (or 12736202 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202123002030 its reverse (30200321202), we get a palindrome (232323323232).

The spelling of 202123002030 in words is "two hundred two billion, one hundred twenty-three million, two thousand, thirty".