20211066334 has 4 divisors (see below), whose sum is σ = 30316599504. Its totient is φ = 10105533166.

The previous prime is 20211066331. The next prime is 20211066371. The reversal of 20211066334 is 43366011202.

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

It is a super-3 number, since 3×20211066334³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211066331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052766582 + ... + 5052766585.

It is an arithmetic number, because the mean of its divisors is an integer number (7579149876).

Almost surely, 2^20211066334 is an apocalyptic number.

20211066334 is a deficient number, since it is larger than the sum of its proper divisors (10105533170).

20211066334 is a wasteful number, since it uses less digits than its factorization.

20211066334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105533169.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20211066334 its reverse (43366011202), we get a palindrome (63577077536).

The spelling of 20211066334 in words is "twenty billion, two hundred eleven million, sixty-six thousand, three hundred thirty-four".