120545453220 has 48 divisors (see below), whose sum is σ = 337578097920. Its totient is φ = 32140613376.

The previous prime is 120545453213. The next prime is 120545453233. The reversal of 120545453220 is 22354545021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259701 + ... + 555459.

It is an arithmetic number, because the mean of its divisors is an integer number (7032877040).

Almost surely, 2^120545453220 is an apocalyptic number.

120545453220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120545453220 is an abundant number, since it is smaller than the sum of its proper divisors (217032644700).

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

120545453220 is a wasteful number, since it uses less digits than its factorization.

120545453220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302564 (or 302562 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 120545453220 its reverse (22354545021), we get a palindrome (142899998241).

The spelling of 120545453220 in words is "one hundred twenty billion, five hundred forty-five million, four hundred fifty-three thousand, two hundred twenty".