20034401011 has 4 divisors (see below), whose sum is σ = 20045344624. Its totient is φ = 20023457400.

The previous prime is 20034400993. The next prime is 20034401039. The reversal of 20034401011 is 11010443002.

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

It is a cyclic number.

It is not a de Polignac number, because 20034401011 - 2¹¹ = 20034398963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034401041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5469060 + ... + 5472721.

It is an arithmetic number, because the mean of its divisors is an integer number (5011336156).

Almost surely, 2^20034401011 is an apocalyptic number.

20034401011 is a deficient number, since it is larger than the sum of its proper divisors (10943613).

20034401011 is a wasteful number, since it uses less digits than its factorization.

20034401011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943612.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20034401011 its reverse (11010443002), we get a palindrome (31044844013).

The spelling of 20034401011 in words is "twenty billion, thirty-four million, four hundred one thousand, eleven".