20002402240019 has 2 divisors, whose sum is σ = 20002402240020. Its totient is φ = 20002402240018.

The previous prime is 20002402240003. The next prime is 20002402240043. The reversal of 20002402240019 is 91004220420002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002402240019 - 2⁴ = 20002402240003 is a prime.

It is a super-2 number, since 2×20002402240019² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20002402240019.

It is not a weakly prime, because it can be changed into another prime (20002402240049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001201120009 + 10001201120010.

It is an arithmetic number, because the mean of its divisors is an integer number (10001201120010).

Almost surely, 2^{20002402240019} is an apocalyptic number.

20002402240019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002402240019 is an equidigital number, since it uses as much as digits as its factorization.

20002402240019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 20002402240019 in words is "twenty trillion, two billion, four hundred two million, two hundred forty thousand, nineteen".