20011220095 has 8 divisors (see below), whose sum is σ = 24069182400. Its totient is φ = 15971830560.

The previous prime is 20011220093. The next prime is 20011220113. The reversal of 20011220095 is 59002211002.

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

It is not a de Polignac number, because 20011220095 - 2¹ = 20011220093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011220093) 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, 4640820 + ... + 4645129.

It is an arithmetic number, because the mean of its divisors is an integer number (3008647800).

Almost surely, 2^20011220095 is an apocalyptic number.

20011220095 is a deficient number, since it is larger than the sum of its proper divisors (4057962305).

20011220095 is an equidigital number, since it uses as much as digits as its factorization.

20011220095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286385.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 20011220095 its reverse (59002211002), we get a palindrome (79013431097).

The spelling of 20011220095 in words is "twenty billion, eleven million, two hundred twenty thousand, ninety-five".