120545543031020 has 24 divisors (see below), whose sum is σ = 253148203433664. Its totient is φ = 48217729008896.

The previous prime is 120545543030989. The next prime is 120545543031071. The reversal of 120545543031020 is 20130345545021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28484717 + ... + 32441796.

It is an arithmetic number, because the mean of its divisors is an integer number (10547841809736).

Almost surely, 2^{120545543031020} is an apocalyptic number.

120545543031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120545543031020 is an abundant number, since it is smaller than the sum of its proper divisors (132602660402644).

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

120545543031020 is a wasteful number, since it uses less digits than its factorization.

120545543031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61025449 (or 61025447 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 120545543031020 its reverse (20130345545021), we get a palindrome (140675888576041).

The spelling of 120545543031020 in words is "one hundred twenty trillion, five hundred forty-five billion, five hundred forty-three million, thirty-one thousand, twenty".