120220500065551 has 8 divisors (see below), whose sum is σ = 131681683642320. Its totient is φ = 109247026428288.

The previous prime is 120220500065543. The next prime is 120220500065579. The reversal of 120220500065551 is 155560005022021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120220500065551 - 2³ = 120220500065543 is a prime.

It is a super-2 number, since 2×120220500065551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220500065581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121927484361 + ... + 121927485346.

It is an arithmetic number, because the mean of its divisors is an integer number (16460210455290).

Almost surely, 2^{120220500065551} is an apocalyptic number.

120220500065551 is a deficient number, since it is larger than the sum of its proper divisors (11461183576769).

120220500065551 is a wasteful number, since it uses less digits than its factorization.

120220500065551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243854969753.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 120220500065551 its reverse (155560005022021), we get a palindrome (275780505087572).

The spelling of 120220500065551 in words is "one hundred twenty trillion, two hundred twenty billion, five hundred million, sixty-five thousand, five hundred fifty-one".