20302222230 has 48 divisors (see below), whose sum is σ = 52794920880. Its totient is φ = 5412988224.

The previous prime is 20302222223. The next prime is 20302222243. The reversal of 20302222230 is 3222220302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617856 + ... + 649884.

It is an arithmetic number, because the mean of its divisors is an integer number (1099894185).

Almost surely, 2^20302222230 is an apocalyptic number.

20302222230 is an abundant number, since it is smaller than the sum of its proper divisors (32492698650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302222230 is a wasteful number, since it uses less digits than its factorization.

20302222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39085 (or 39082 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20302222230 its reverse (3222220302), we get a palindrome (23524442532).

The spelling of 20302222230 in words is "twenty billion, three hundred two million, two hundred twenty-two thousand, two hundred thirty".