120020220987 has 8 divisors (see below), whose sum is σ = 160744571904. Its totient is φ = 79654675368.

The previous prime is 120020220941. The next prime is 120020221031. The reversal of 120020220987 is 789022020021.

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

It is not a de Polignac number, because 120020220987 - 2¹¹ = 120020218939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120020220907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89700543 + ... + 89701880.

It is an arithmetic number, because the mean of its divisors is an integer number (20093071488).

Almost surely, 2^120020220987 is an apocalyptic number.

120020220987 is a deficient number, since it is larger than the sum of its proper divisors (40724350917).

120020220987 is a wasteful number, since it uses less digits than its factorization.

120020220987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179402649.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 120020220987 in words is "one hundred twenty billion, twenty million, two hundred twenty thousand, nine hundred eighty-seven".