120360042020 has 48 divisors (see below), whose sum is σ = 253953663600. Its totient is φ = 47916417024.

The previous prime is 120360042013. The next prime is 120360042029. The reversal of 120360042020 is 20240063021.

It can be written as a sum of positive squares in 8 ways, for example, as 22830001216 + 97530040804 = 151096^2 + 312298^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120360041983 and 120360042001.

It is not an unprimeable number, because it can be changed into a prime (120360042029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3873506 + ... + 3904454.

It is an arithmetic number, because the mean of its divisors is an integer number (5290701325).

Almost surely, 2^120360042020 is an apocalyptic number.

120360042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120360042020 is an abundant number, since it is smaller than the sum of its proper divisors (133593621580).

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

120360042020 is a wasteful number, since it uses less digits than its factorization.

120360042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31872 (or 31870 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The spelling of 120360042020 in words is "one hundred twenty billion, three hundred sixty million, forty-two thousand, twenty".