20112322230 has 192 divisors, whose sum is σ = 70210603008. Its totient is φ = 3857690880.

The previous prime is 20112322183. The next prime is 20112322231. The reversal of 20112322230 is 3222321102.

20112322230 is a `hidden beast` number, since 2 + 0 + 112 + 322 + 230 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112322231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21534 + ... + 201713.

It is an arithmetic number, because the mean of its divisors is an integer number (365680224).

Almost surely, 2^20112322230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112322230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35105301504).

20112322230 is an abundant number, since it is smaller than the sum of its proper divisors (50098280778).

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

20112322230 is a wasteful number, since it uses less digits than its factorization.

20112322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223291 (or 223288 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20112322230 its reverse (3222321102), we get a palindrome (23334643332).

The spelling of 20112322230 in words is "twenty billion, one hundred twelve million, three hundred twenty-two thousand, two hundred thirty".