120500654420 has 24 divisors (see below), whose sum is σ = 261777285000. Its totient is φ = 46538183552.

The previous prime is 120500654383. The next prime is 120500654423. The reversal of 120500654420 is 24456005021.

It can be written as a sum of positive squares in 4 ways, for example, as 32602635844 + 87898018576 = 180562^2 + 296476^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500654423) 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, 103879295 + ... + 103880454.

It is an arithmetic number, because the mean of its divisors is an integer number (10907386875).

Almost surely, 2^120500654420 is an apocalyptic number.

120500654420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120500654420 is an abundant number, since it is smaller than the sum of its proper divisors (141276630580).

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

120500654420 is a wasteful number, since it uses less digits than its factorization.

120500654420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207759787 (or 207759785 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 120500654420 its reverse (24456005021), we get a palindrome (144956659441).

The spelling of 120500654420 in words is "one hundred twenty billion, five hundred million, six hundred fifty-four thousand, four hundred twenty".