20341284480 has 768 divisors, whose sum is σ = 82277769600. Its totient is φ = 4578508800.

The previous prime is 20341284451. The next prime is 20341284493. The reversal of 20341284480 is 8448214302.

20341284480 is a `hidden beast` number, since 20 + 34 + 128 + 4 + 480 = 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 95 ways as a sum of consecutive naturals, for example, 73434102 + ... + 73434378.

Almost surely, 2^20341284480 is an apocalyptic number.

20341284480 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 20341284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41138884800).

20341284480 is an abundant number, since it is smaller than the sum of its proper divisors (61936485120).

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

20341284480 is a wasteful number, since it uses less digits than its factorization.

20341284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 20341284480 its reverse (8448214302), we get a palindrome (28789498782).

The spelling of 20341284480 in words is "twenty billion, three hundred forty-one million, two hundred eighty-four thousand, four hundred eighty".