30220000253 has 2 divisors, whose sum is σ = 30220000254. Its totient is φ = 30220000252.

The previous prime is 30220000211. The next prime is 30220000267. The reversal of 30220000253 is 35200002203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30207482809 + 12517444 = 173803^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220000253 - 2²⁰ = 30218951677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30220000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110000126 + 15110000127.

It is an arithmetic number, because the mean of its divisors is an integer number (15110000127).

Almost surely, 2^30220000253 is an apocalyptic number.

It is an amenable number.

30220000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220000253 is an equidigital number, since it uses as much as digits as its factorization.

30220000253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 17.

Adding to 30220000253 its reverse (35200002203), we get a palindrome (65420002456).

The spelling of 30220000253 in words is "thirty billion, two hundred twenty million, two hundred fifty-three", and thus it is an aban number.