20432201211 has 32 divisors (see below), whose sum is σ = 31022913600. Its totient is φ = 13282940160.

The previous prime is 20432201201. The next prime is 20432201221. The reversal of 20432201211 is 11210223402.

It is a happy number.

20432201211 is a `hidden beast` number, since 2 + 0 + 432 + 20 + 1 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (20432201201) and next prime (20432201221).

It is not a de Polignac number, because 20432201211 - 2¹⁵ = 20432168443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20432201201) 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, 3935005 + ... + 3940193.

It is an arithmetic number, because the mean of its divisors is an integer number (969466050).

Almost surely, 2^20432201211 is an apocalyptic number.

20432201211 is a deficient number, since it is larger than the sum of its proper divisors (10590712389).

20432201211 is a wasteful number, since it uses less digits than its factorization.

20432201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8796 (or 8790 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20432201211 its reverse (11210223402), we get a palindrome (31642424613).

The spelling of 20432201211 in words is "twenty billion, four hundred thirty-two million, two hundred one thousand, two hundred eleven".