20011213201 has 8 divisors (see below), whose sum is σ = 22871937600. Its totient is φ = 17150983728.

The previous prime is 20011213153. The next prime is 20011213223. The reversal of 20011213201 is 10231211002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20011213201 - 2¹¹ = 20011211153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011211201) 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, 32611 + ... + 202696.

It is an arithmetic number, because the mean of its divisors is an integer number (2858992200).

Almost surely, 2^20011213201 is an apocalyptic number.

It is an amenable number.

20011213201 is a deficient number, since it is larger than the sum of its proper divisors (2860724399).

20011213201 is a wasteful number, since it uses less digits than its factorization.

20011213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247463.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20011213201 its reverse (10231211002), we get a palindrome (30242424203).

The spelling of 20011213201 in words is "twenty billion, eleven million, two hundred thirteen thousand, two hundred one".