120477538820 has 48 divisors (see below), whose sum is σ = 265445677056. Its totient is φ = 45871920000.

The previous prime is 120477538771. The next prime is 120477538859. The reversal of 120477538820 is 28835774021.

It is a super-3 number, since 3×120477538820³ (a number of 34 digits) contains 333 as substring.

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, 1554956 + ... + 1630595.

It is an arithmetic number, because the mean of its divisors is an integer number (5530118272).

Almost surely, 2^120477538820 is an apocalyptic number.

120477538820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120477538820 is an abundant number, since it is smaller than the sum of its proper divisors (144968138236).

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

120477538820 is a wasteful number, since it uses less digits than its factorization.

120477538820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185652 (or 3185650 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 120477538820 in words is "one hundred twenty billion, four hundred seventy-seven million, five hundred thirty-eight thousand, eight hundred twenty".