221020220095 has 32 divisors (see below), whose sum is σ = 269974425600. Its totient is φ = 173674610304.

The previous prime is 221020220093. The next prime is 221020220153. The reversal of 221020220095 is 590022020122.

It is a cyclic number.

It is not a de Polignac number, because 221020220095 - 2¹ = 221020220093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221020220093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137023509 + ... + 137025121.

It is an arithmetic number, because the mean of its divisors is an integer number (8436700800).

Almost surely, 2^221020220095 is an apocalyptic number.

221020220095 is a deficient number, since it is larger than the sum of its proper divisors (48954205505).

221020220095 is a wasteful number, since it uses less digits than its factorization.

221020220095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 221020220095 in words is "two hundred twenty-one billion, twenty million, two hundred twenty thousand, ninety-five".