120920202115 has 16 divisors (see below), whose sum is σ = 147663917856. Its totient is φ = 95042592000.

The previous prime is 120920202113. The next prime is 120920202119. The reversal of 120920202115 is 511202029021.

It is not a de Polignac number, because 120920202115 - 2¹ = 120920202113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120920202115.

It is not an unprimeable number, because it can be changed into a prime (120920202113) 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, 729786 + ... + 880015.

It is an arithmetic number, because the mean of its divisors is an integer number (9228994866).

Almost surely, 2^120920202115 is an apocalyptic number.

120920202115 is a deficient number, since it is larger than the sum of its proper divisors (26743715741).

120920202115 is a wasteful number, since it uses less digits than its factorization.

120920202115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610070.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 120920202115 in words is "one hundred twenty billion, nine hundred twenty million, two hundred two thousand, one hundred fifteen".