20014450019 has 2 divisors, whose sum is σ = 20014450020. Its totient is φ = 20014450018.

The previous prime is 20014450003. The next prime is 20014450097. The reversal of 20014450019 is 91005441002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20014450019 - 2⁴ = 20014450003 is a prime.

It is a super-2 number, since 2×20014450019² (a number of 21 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 20014450019.

It is not a weakly prime, because it can be changed into another prime (20014458019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007225009 + 10007225010.

It is an arithmetic number, because the mean of its divisors is an integer number (10007225010).

Almost surely, 2^20014450019 is an apocalyptic number.

20014450019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014450019 is an equidigital number, since it uses as much as digits as its factorization.

20014450019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 20014450019 in words is "twenty billion, fourteen million, four hundred fifty thousand, nineteen".