30210220202 has 4 divisors (see below), whose sum is σ = 45315330306. Its totient is φ = 15105110100.

The previous prime is 30210220181. The next prime is 30210220207. The reversal of 30210220202 is 20202201203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20202201203 = 139 ⋅145339577.

It can be written as a sum of positive squares in only one way, i.e., 29570585521 + 639634681 = 171961^2 + 25291^2 .

It is not an unprimeable number, because it can be changed into a prime (30210220207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552555049 + ... + 7552555052.

Almost surely, 2^30210220202 is an apocalyptic number.

30210220202 is a deficient number, since it is larger than the sum of its proper divisors (15105110104).

30210220202 is a wasteful number, since it uses less digits than its factorization.

30210220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105110103.

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

Adding to 30210220202 its reverse (20202201203), we get a palindrome (50412421405).

The spelling of 30210220202 in words is "thirty billion, two hundred ten million, two hundred twenty thousand, two hundred two".