30220202251 has 16 divisors (see below), whose sum is σ = 32419050048. Its totient is φ = 28096675200.

The previous prime is 30220202227. The next prime is 30220202263. The reversal of 30220202251 is 15220202203.

It is not a de Polignac number, because 30220202251 - 2⁵ = 30220202219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220205251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851481 + ... + 886261.

It is an arithmetic number, because the mean of its divisors is an integer number (2026190628).

Almost surely, 2^30220202251 is an apocalyptic number.

30220202251 is a deficient number, since it is larger than the sum of its proper divisors (2198847797).

30220202251 is a wasteful number, since it uses less digits than its factorization.

30220202251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35862.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30220202251 its reverse (15220202203), we get a palindrome (45440404454).

The spelling of 30220202251 in words is "thirty billion, two hundred twenty million, two hundred two thousand, two hundred fifty-one".