20222021202139 has 2 divisors, whose sum is σ = 20222021202140. Its totient is φ = 20222021202138.

The previous prime is 20222021202113. The next prime is 20222021202211. The reversal of 20222021202139 is 93120212022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222021202139 - 2⁵ = 20222021202107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222021202109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111010601069 + 10111010601070.

It is an arithmetic number, because the mean of its divisors is an integer number (10111010601070).

Almost surely, 2^{20222021202139} is an apocalyptic number.

20222021202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222021202139 is an equidigital number, since it uses as much as digits as its factorization.

20222021202139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 20222021202139 in words is "twenty trillion, two hundred twenty-two billion, twenty-one million, two hundred two thousand, one hundred thirty-nine".