20221012039 has 2 divisors, whose sum is σ = 20221012040. Its totient is φ = 20221012038.

The previous prime is 20221012013. The next prime is 20221012081. The reversal of 20221012039 is 93021012202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221012039 - 2⁹ = 20221011527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221012139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110506019 + 10110506020.

It is an arithmetic number, because the mean of its divisors is an integer number (10110506020).

Almost surely, 2^20221012039 is an apocalyptic number.

20221012039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221012039 is an equidigital number, since it uses as much as digits as its factorization.

20221012039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 20221012039 in words is "twenty billion, two hundred twenty-one million, twelve thousand, thirty-nine".