20302430222 has 4 divisors (see below), whose sum is σ = 30453645336. Its totient is φ = 10151215110.

The previous prime is 20302430207. The next prime is 20302430237. The reversal of 20302430222 is 22203420302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20302430207) and next prime (20302430237).

It is a junction number, because it is equal to n+sod(n) for n = 20302430194 and 20302430203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075607554 + ... + 5075607557.

It is an arithmetic number, because the mean of its divisors is an integer number (7613411334).

Almost surely, 2^20302430222 is an apocalyptic number.

20302430222 is a deficient number, since it is larger than the sum of its proper divisors (10151215114).

20302430222 is a wasteful number, since it uses less digits than its factorization.

20302430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151215113.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20302430222 its reverse (22203420302), we get a palindrome (42505850524).

The spelling of 20302430222 in words is "twenty billion, three hundred two million, four hundred thirty thousand, two hundred twenty-two".