20330022065544 has 48 divisors (see below), whose sum is σ = 55070325573120. Its totient is φ = 6775461819360.

The previous prime is 20330022065537. The next prime is 20330022065567. The reversal of 20330022065544 is 44556022003302.

20330022065544 is a `hidden beast` number, since 2 + 0 + 3 + 30 + 0 + 2 + 20 + 65 + 544 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20330022065499 and 20330022065508.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24848872 + ... + 25653975.

It is an arithmetic number, because the mean of its divisors is an integer number (1147298449440).

Almost surely, 2^{20330022065544} is an apocalyptic number.

20330022065544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20330022065544 is an abundant number, since it is smaller than the sum of its proper divisors (34740303507576).

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

20330022065544 is a wasteful number, since it uses less digits than its factorization.

20330022065544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50508450 (or 50508443 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 20330022065544 its reverse (44556022003302), we get a palindrome (64886044068846).

The spelling of 20330022065544 in words is "twenty trillion, three hundred thirty billion, twenty-two million, sixty-five thousand, five hundred forty-four".