20022001232071 has 2 divisors, whose sum is σ = 20022001232072. Its totient is φ = 20022001232070.

The previous prime is 20022001232059. The next prime is 20022001232111. The reversal of 20022001232071 is 17023210022002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022001232071 - 2¹³ = 20022001223879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022001232041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011000616035 + 10011000616036.

It is an arithmetic number, because the mean of its divisors is an integer number (10011000616036).

Almost surely, 2^{20022001232071} is an apocalyptic number.

20022001232071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022001232071 is an equidigital number, since it uses as much as digits as its factorization.

20022001232071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 20022001232071 its reverse (17023210022002), we get a palindrome (37045211254073).

The spelling of 20022001232071 in words is "twenty trillion, twenty-two billion, one million, two hundred thirty-two thousand, seventy-one".