20233039867 has 2 divisors, whose sum is σ = 20233039868. Its totient is φ = 20233039866.

The previous prime is 20233039843. The next prime is 20233039907. The reversal of 20233039867 is 76893033202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20233039867 - 2¹¹ = 20233037819 is a prime.

It is a super-2 number, since 2×20233039867² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20233039807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116519933 + 10116519934.

It is an arithmetic number, because the mean of its divisors is an integer number (10116519934).

Almost surely, 2^20233039867 is an apocalyptic number.

20233039867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233039867 is an equidigital number, since it uses as much as digits as its factorization.

20233039867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 20233039867 in words is "twenty billion, two hundred thirty-three million, thirty-nine thousand, eight hundred sixty-seven".