20111434201 has 8 divisors (see below), whose sum is σ = 20190628224. Its totient is φ = 20032333920.

The previous prime is 20111434193. The next prime is 20111434261. The reversal of 20111434201 is 10243411102.

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 20111434201 - 2³ = 20111434193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111434261) 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, 423100 + ... + 468226.

It is an arithmetic number, because the mean of its divisors is an integer number (2523828528).

Almost surely, 2^20111434201 is an apocalyptic number.

It is an amenable number.

20111434201 is a deficient number, since it is larger than the sum of its proper divisors (79194023).

20111434201 is a wasteful number, since it uses less digits than its factorization.

20111434201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46871.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20111434201 its reverse (10243411102), we get a palindrome (30354845303).

The spelling of 20111434201 in words is "twenty billion, one hundred eleven million, four hundred thirty-four thousand, two hundred one".