13220434340554 has 32 divisors (see below), whose sum is σ = 23446154448000. Its totient is φ = 5470279738560.

The previous prime is 13220434340543. The next prime is 13220434340567. The reversal of 13220434340554 is 45504343402231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8498524 + ... + 9933064.

It is an arithmetic number, because the mean of its divisors is an integer number (732692326500).

Almost surely, 2^{13220434340554} is an apocalyptic number.

13220434340554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13220434340554 is a deficient number, since it is larger than the sum of its proper divisors (10225720107446).

13220434340554 is a wasteful number, since it uses less digits than its factorization.

13220434340554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457278.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 13220434340554 its reverse (45504343402231), we get a palindrome (58724777742785).

The spelling of 13220434340554 in words is "thirteen trillion, two hundred twenty billion, four hundred thirty-four million, three hundred forty thousand, five hundred fifty-four".