20322021011 has 2 divisors, whose sum is σ = 20322021012. Its totient is φ = 20322021010.

The previous prime is 20322021001. The next prime is 20322021019. The reversal of 20322021011 is 11012022302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20322021011 - 2¹⁴ = 20322004627 is a prime.

It is a super-3 number, since 3×20322021011³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20322021019) 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, 10161010505 + 10161010506.

It is an arithmetic number, because the mean of its divisors is an integer number (10161010506).

Almost surely, 2^20322021011 is an apocalyptic number.

20322021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322021011 is an equidigital number, since it uses as much as digits as its factorization.

20322021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20322021011 its reverse (11012022302), we get a palindrome (31334043313).

The spelling of 20322021011 in words is "twenty billion, three hundred twenty-two million, twenty-one thousand, eleven".