202021233130 has 8 divisors (see below), whose sum is σ = 363638219652. Its totient is φ = 80808493248.

The previous prime is 202021233119. The next prime is 202021233203. The reversal of 202021233130 is 31332120202.

It can be written as a sum of positive squares in 2 ways, for example, as 183020540481 + 19000692649 = 427809^2 + 137843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202021233098 and 202021233107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10101061647 + ... + 10101061666.

Almost surely, 2^202021233130 is an apocalyptic number.

202021233130 is a deficient number, since it is larger than the sum of its proper divisors (161616986522).

202021233130 is a wasteful number, since it uses less digits than its factorization.

202021233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202123320.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202021233130 its reverse (31332120202), we get a palindrome (233353353332).

The spelling of 202021233130 in words is "two hundred two billion, twenty-one million, two hundred thirty-three thousand, one hundred thirty".