20020404244259 has 2 divisors, whose sum is σ = 20020404244260. Its totient is φ = 20020404244258.

The previous prime is 20020404244229. The next prime is 20020404244303. The reversal of 20020404244259 is 95244240402002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020404244259 is a prime.

It is a super-2 number, since 2×20020404244259² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20020404244229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010202122129 + 10010202122130.

It is an arithmetic number, because the mean of its divisors is an integer number (10010202122130).

Almost surely, 2^{20020404244259} is an apocalyptic number.

20020404244259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020404244259 is an equidigital number, since it uses as much as digits as its factorization.

20020404244259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 20020404244259 in words is "twenty trillion, twenty billion, four hundred four million, two hundred forty-four thousand, two hundred fifty-nine".