20220021020039 has 2 divisors, whose sum is σ = 20220021020040. Its totient is φ = 20220021020038.

The previous prime is 20220021019997. The next prime is 20220021020093. The reversal of 20220021020039 is 93002012002202.

Together with next prime (20220021020093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220021020039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220021019996 and 20220021020023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220021020099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110010510019 + 10110010510020.

It is an arithmetic number, because the mean of its divisors is an integer number (10110010510020).

Almost surely, 2^{20220021020039} is an apocalyptic number.

20220021020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220021020039 is an equidigital number, since it uses as much as digits as its factorization.

20220021020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20220021020039 in words is "twenty trillion, two hundred twenty billion, twenty-one million, twenty thousand, thirty-nine".