20233220011 has 32 divisors (see below), whose sum is σ = 21407662080. Its totient is φ = 19105632000.

The previous prime is 20233219997. The next prime is 20233220087. The reversal of 20233220011 is 11002233202.

It is a cyclic number.

It is not a de Polignac number, because 20233220011 - 2⁷ = 20233219883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233220611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41546410 + ... + 41546896.

It is an arithmetic number, because the mean of its divisors is an integer number (668989440).

Almost surely, 2^20233220011 is an apocalyptic number.

20233220011 is a deficient number, since it is larger than the sum of its proper divisors (1174442069).

20233220011 is a wasteful number, since it uses less digits than its factorization.

20233220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20233220011 its reverse (11002233202), we get a palindrome (31235453213).

The spelling of 20233220011 in words is "twenty billion, two hundred thirty-three million, two hundred twenty thousand, eleven".