120520055145530 has 32 divisors (see below), whose sum is σ = 219997140749568. Its totient is φ = 47527825206400.

The previous prime is 120520055145481. The next prime is 120520055145593. The reversal of 120520055145530 is 35541550025021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25990310 + ... + 30274350.

It is an arithmetic number, because the mean of its divisors is an integer number (6874910648424).

Almost surely, 2^{120520055145530} is an apocalyptic number.

120520055145530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120520055145530 is a deficient number, since it is larger than the sum of its proper divisors (99477085604038).

120520055145530 is a wasteful number, since it uses less digits than its factorization.

120520055145530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323742.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 120520055145530 in words is "one hundred twenty trillion, five hundred twenty billion, fifty-five million, one hundred forty-five thousand, five hundred thirty".