202030849721 has 8 divisors (see below), whose sum is σ = 202886717088. Its totient is φ = 201175128000.

The previous prime is 202030849703. The next prime is 202030849753. The reversal of 202030849721 is 127948030202.

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

It is a cyclic number.

It is not a de Polignac number, because 202030849721 - 2¹⁴ = 202030833337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202030839721) 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, 3443966 + ... + 3502136.

It is an arithmetic number, because the mean of its divisors is an integer number (25360839636).

Almost surely, 2^202030849721 is an apocalyptic number.

It is an amenable number.

202030849721 is a deficient number, since it is larger than the sum of its proper divisors (855867367).

202030849721 is a wasteful number, since it uses less digits than its factorization.

202030849721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72823.

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 202030849721 its reverse (127948030202), we get a palindrome (329978879923).

The spelling of 202030849721 in words is "two hundred two billion, thirty million, eight hundred forty-nine thousand, seven hundred twenty-one".