120020632005 has 32 divisors (see below), whose sum is σ = 197257195008. Its totient is φ = 62270208000.

The previous prime is 120020631893. The next prime is 120020632037. The reversal of 120020632005 is 500236020021.

It is not a de Polignac number, because 120020632005 - 2⁷ = 120020631877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3953685 + ... + 3983925.

It is an arithmetic number, because the mean of its divisors is an integer number (6164287344).

Almost surely, 2^120020632005 is an apocalyptic number.

120020632005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120020632005 is a deficient number, since it is larger than the sum of its proper divisors (77236563003).

120020632005 is a wasteful number, since it uses less digits than its factorization.

120020632005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37437.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 120020632005 its reverse (500236020021), we get a palindrome (620256652026).

The spelling of 120020632005 in words is "one hundred twenty billion, twenty million, six hundred thirty-two thousand, five".