20460353321232 has 240 divisors, whose sum is σ = 65199132131328. Its totient is φ = 5928978021120.

The previous prime is 20460353321227. The next prime is 20460353321249. The reversal of 20460353321232 is 23212335306402.

It is a happy number.

20460353321232 is a `hidden beast` number, since 2 + 0 + 4 + 60 + 35 + 332 + 1 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142267953 + ... + 142411695.

Almost surely, 2^{20460353321232} is an apocalyptic number.

20460353321232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20460353321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32599566065664).

20460353321232 is an abundant number, since it is smaller than the sum of its proper divisors (44738778810096).

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

20460353321232 is a wasteful number, since it uses less digits than its factorization.

20460353321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147698 (or 147689 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 20460353321232 its reverse (23212335306402), we get a palindrome (43672688627634).

The spelling of 20460353321232 in words is "twenty trillion, four hundred sixty billion, three hundred fifty-three million, three hundred twenty-one thousand, two hundred thirty-two".