120700206820 has 24 divisors (see below), whose sum is σ = 253739836728. Its totient is φ = 48228768000.

The previous prime is 120700206727. The next prime is 120700206841. The reversal of 120700206820 is 28602007021.

It can be written as a sum of positive squares in 4 ways, for example, as 47228851684 + 73471355136 = 217322^2 + 271056^2 .

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, 3187881 + ... + 3225520.

It is an arithmetic number, because the mean of its divisors is an integer number (10572493197).

Almost surely, 2^120700206820 is an apocalyptic number.

120700206820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120700206820 is an abundant number, since it is smaller than the sum of its proper divisors (133039629908).

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

120700206820 is a wasteful number, since it uses less digits than its factorization.

120700206820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414351 (or 6414349 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 120700206820 in words is "one hundred twenty billion, seven hundred million, two hundred six thousand, eight hundred twenty".