20355254414352 has 240 divisors, whose sum is σ = 67167236730048. Its totient is φ = 5673220715520.

The previous prime is 20355254414347. The next prime is 20355254414353. The reversal of 20355254414352 is 25341445255302.

20355254414352 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 5 + 254 + 41 + 4 + 352 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20355254414298 and 20355254414307.

It is not an unprimeable number, because it can be changed into a prime (20355254414353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3919683 + ... + 7488285.

Almost surely, 2^{20355254414352} is an apocalyptic number.

20355254414352 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 20355254414352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33583618365024).

20355254414352 is an abundant number, since it is smaller than the sum of its proper divisors (46811982315696).

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

20355254414352 is a wasteful number, since it uses less digits than its factorization.

20355254414352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568918 (or 3568909 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 20355254414352 its reverse (25341445255302), we get a palindrome (45696699669654).

The spelling of 20355254414352 in words is "twenty trillion, three hundred fifty-five billion, two hundred fifty-four million, four hundred fourteen thousand, three hundred fifty-two".