20174452480 has 432 divisors, whose sum is σ = 61362433440. Its totient is φ = 6298435584.

The previous prime is 20174452457. The next prime is 20174452481. The reversal of 20174452480 is 8425447102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20174452481) 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 47 ways as a sum of consecutive naturals, for example, 88874127 + ... + 88874353.

It is an arithmetic number, because the mean of its divisors is an integer number (142042670).

Almost surely, 2^20174452480 is an apocalyptic number.

20174452480 is a gapful number since it is divisible by the number (20) 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 20174452480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30681216720).

20174452480 is an abundant number, since it is smaller than the sum of its proper divisors (41187980960).

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

20174452480 is a wasteful number, since it uses less digits than its factorization.

20174452480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

Adding to 20174452480 its reverse (8425447102), we get a palindrome (28599899582).

The spelling of 20174452480 in words is "twenty billion, one hundred seventy-four million, four hundred fifty-two thousand, four hundred eighty".