20034331011 has 6 divisors (see below), whose sum is σ = 28938478140. Its totient is φ = 13356220668.

The previous prime is 20034331007. The next prime is 20034331049. The reversal of 20034331011 is 11013343002.

20034331011 is a `hidden beast` number, since 2 + 0 + 0 + 343 + 310 + 11 = 666.

It is not a de Polignac number, because 20034331011 - 2² = 20034331007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20034331511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113018381 + ... + 1113018398.

It is an arithmetic number, because the mean of its divisors is an integer number (4823079690).

Almost surely, 2^20034331011 is an apocalyptic number.

20034331011 is a deficient number, since it is larger than the sum of its proper divisors (8904147129).

20034331011 is a wasteful number, since it uses less digits than its factorization.

20034331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226036785 (or 2226036782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20034331011 its reverse (11013343002), we get a palindrome (31047674013).

The spelling of 20034331011 in words is "twenty billion, thirty-four million, three hundred thirty-one thousand, eleven".