20233221083 has 2 divisors, whose sum is σ = 20233221084. Its totient is φ = 20233221082.

The previous prime is 20233221067. The next prime is 20233221137. The reversal of 20233221083 is 38012233202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20233221083 - 2⁴ = 20233221067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20233221013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116610541 + 10116610542.

It is an arithmetic number, because the mean of its divisors is an integer number (10116610542).

Almost surely, 2^20233221083 is an apocalyptic number.

20233221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233221083 is an equidigital number, since it uses as much as digits as its factorization.

20233221083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20233221083 its reverse (38012233202), we get a palindrome (58245454285).

The spelling of 20233221083 in words is "twenty billion, two hundred thirty-three million, two hundred twenty-one thousand, eighty-three".