120220450540 has 24 divisors (see below), whose sum is σ = 252522374832. Its totient is φ = 48076860480.

The previous prime is 120220450501. The next prime is 120220450541. The reversal of 120220450540 is 45054022021.

It is not an unprimeable number, because it can be changed into a prime (120220450541) 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, 620134 + ... + 790573.

It is an arithmetic number, because the mean of its divisors is an integer number (10521765618).

Almost surely, 2^120220450540 is an apocalyptic number.

120220450540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220450540 is an abundant number, since it is smaller than the sum of its proper divisors (132301924292).

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

120220450540 is a wasteful number, since it uses less digits than its factorization.

120220450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414977 (or 1414975 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 120220450540 its reverse (45054022021), we get a palindrome (165274472561).

The spelling of 120220450540 in words is "one hundred twenty billion, two hundred twenty million, four hundred fifty thousand, five hundred forty".