20021201096 has 32 divisors (see below), whose sum is σ = 40798342200. Its totient is φ = 9155773440.

The previous prime is 20021201093. The next prime is 20021201111. The reversal of 20021201096 is 69010212002.

It can be written as a sum of positive squares in 4 ways, for example, as 8569204900 + 11451996196 = 92570^2 + 107014^2 .

It is not an unprimeable number, because it can be changed into a prime (20021201093) 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, 871745 + ... + 894416.

Almost surely, 2^20021201096 is an apocalyptic number.

20021201096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20021201096 is an abundant number, since it is smaller than the sum of its proper divisors (20777141104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021201096 is a wasteful number, since it uses less digits than its factorization.

20021201096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766289 (or 1766285 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 20021201096 its reverse (69010212002), we get a palindrome (89031413098).

The spelling of 20021201096 in words is "twenty billion, twenty-one million, two hundred one thousand, ninety-six".