20132420201 has 4 divisors (see below), whose sum is σ = 20149296852. Its totient is φ = 20115543552.

The previous prime is 20132420177. The next prime is 20132420213. The reversal of 20132420201 is 10202423102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10060290601 + 10072129600 = 100301^2 + 100360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132420201 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 20132420201.

It is not an unprimeable number, because it can be changed into a prime (20132420291) 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, 8436536 + ... + 8438921.

It is an arithmetic number, because the mean of its divisors is an integer number (5037324213).

Almost surely, 2^20132420201 is an apocalyptic number.

It is an amenable number.

20132420201 is a deficient number, since it is larger than the sum of its proper divisors (16876651).

20132420201 is a wasteful number, since it uses less digits than its factorization.

20132420201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16876650.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20132420201 its reverse (10202423102), we get a palindrome (30334843303).

The spelling of 20132420201 in words is "twenty billion, one hundred thirty-two million, four hundred twenty thousand, two hundred one".