20010255019 has 2 divisors, whose sum is σ = 20010255020. Its totient is φ = 20010255018.

The previous prime is 20010254983. The next prime is 20010255053. The reversal of 20010255019 is 91055201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010255019 - 2⁹ = 20010254507 is a prime.

It is a super-2 number, since 2×20010255019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010254984 and 20010255002.

It is not a weakly prime, because it can be changed into another prime (20010255119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005127509 + 10005127510.

It is an arithmetic number, because the mean of its divisors is an integer number (10005127510).

Almost surely, 2^20010255019 is an apocalyptic number.

20010255019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010255019 is an equidigital number, since it uses as much as digits as its factorization.

20010255019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 20010255019 in words is "twenty billion, ten million, two hundred fifty-five thousand, nineteen".