20225242332 has 72 divisors (see below), whose sum is σ = 52809236480. Its totient is φ = 6519929760.

The previous prime is 20225242307. The next prime is 20225242333. The reversal of 20225242332 is 23324252202.

20225242332 is a `hidden beast` number, since 202 + 2 + 5 + 2 + 423 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20225242296 and 20225242305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225242333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1957893 + ... + 1968195.

Almost surely, 2^20225242332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20225242332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26404618240).

20225242332 is an abundant number, since it is smaller than the sum of its proper divisors (32583994148).

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

20225242332 is a wasteful number, since it uses less digits than its factorization.

20225242332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103 (or 12098 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20225242332 its reverse (23324252202), we get a palindrome (43549494534).

The spelling of 20225242332 in words is "twenty billion, two hundred twenty-five million, two hundred forty-two thousand, three hundred thirty-two".