20212332233 has 12 divisors (see below), whose sum is σ = 20729323404. Its totient is φ = 19707945600.

The previous prime is 20212332229. The next prime is 20212332241. The reversal of 20212332233 is 33223321202.

It can be written as a sum of positive squares in 6 ways, for example, as 3011485129 + 17200847104 = 54877^2 + 131152^2 .

It is not a de Polignac number, because 20212332233 - 2² = 20212332229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212332199 and 20212332208.

It is not an unprimeable number, because it can be changed into a prime (20212332293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5412635 + ... + 5416367.

It is an arithmetic number, because the mean of its divisors is an integer number (1727443617).

Almost surely, 2^20212332233 is an apocalyptic number.

It is an amenable number.

20212332233 is a deficient number, since it is larger than the sum of its proper divisors (516991171).

20212332233 is an equidigital number, since it uses as much as digits as its factorization.

20212332233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20212332233 its reverse (33223321202), we get a palindrome (53435653435).

The spelling of 20212332233 in words is "twenty billion, two hundred twelve million, three hundred thirty-two thousand, two hundred thirty-three".