20032232201 has 4 divisors (see below), whose sum is σ = 20178453012. Its totient is φ = 19886011392.

The previous prime is 20032232141. The next prime is 20032232239. The reversal of 20032232201 is 10223223002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10223223002 = 2 ⋅5111611501.

It can be written as a sum of positive squares in 2 ways, for example, as 12887925625 + 7144306576 = 113525^2 + 84524^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032232201 - 2¹⁴ = 20032215817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20032232201.

It is not an unprimeable number, because it can be changed into a prime (20032232501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73110200 + ... + 73110473.

It is an arithmetic number, because the mean of its divisors is an integer number (5044613253).

Almost surely, 2^20032232201 is an apocalyptic number.

It is an amenable number.

20032232201 is a deficient number, since it is larger than the sum of its proper divisors (146220811).

20032232201 is a wasteful number, since it uses less digits than its factorization.

20032232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146220810.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20032232201 its reverse (10223223002), we get a palindrome (30255455203).

The spelling of 20032232201 in words is "twenty billion, thirty-two million, two hundred thirty-two thousand, two hundred one".