20021122095 has 32 divisors (see below), whose sum is σ = 34522891200. Its totient is φ = 9849421824.

The previous prime is 20021122061. The next prime is 20021122097. The reversal of 20021122095 is 59022112002.

It is not a de Polignac number, because 20021122095 - 2²¹ = 20019024943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021122097) 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, 238321 + ... + 311189.

It is an arithmetic number, because the mean of its divisors is an integer number (1078840350).

Almost surely, 2^20021122095 is an apocalyptic number.

20021122095 is a deficient number, since it is larger than the sum of its proper divisors (14501769105).

20021122095 is a wasteful number, since it uses less digits than its factorization.

20021122095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74299.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 20021122095 its reverse (59022112002), we get a palindrome (79043234097).

The spelling of 20021122095 in words is "twenty billion, twenty-one million, one hundred twenty-two thousand, ninety-five".