120020520124205 has 8 divisors (see below), whose sum is σ = 144037579565592. Its totient is φ = 96007779155008.

The previous prime is 120020520124171. The next prime is 120020520124223. The reversal of 120020520124205 is 502421025020021.

It can be written as a sum of positive squares in 4 ways, for example, as 21325951708009 + 98694568416196 = 4618003^2 + 9934514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120020520124205 - 2²⁰ = 120020519075629 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1079556902 + ... + 1079668071.

It is an arithmetic number, because the mean of its divisors is an integer number (18004697445699).

Almost surely, 2^{120020520124205} is an apocalyptic number.

It is an amenable number.

120020520124205 is a deficient number, since it is larger than the sum of its proper divisors (24017059441387).

120020520124205 is a wasteful number, since it uses less digits than its factorization.

120020520124205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159236095.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 120020520124205 its reverse (502421025020021), we get a palindrome (622441545144226).

The spelling of 120020520124205 in words is "one hundred twenty trillion, twenty billion, five hundred twenty million, one hundred twenty-four thousand, two hundred five".