10202012020019 has 2 divisors, whose sum is σ = 10202012020020. Its totient is φ = 10202012020018.

The previous prime is 10202012019961. The next prime is 10202012020037. The reversal of 10202012020019 is 91002021020201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10202012020019 - 2⁸ = 10202012019763 is a prime.

It is a super-2 number, since 2×10202012020019² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10202012020049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101006010009 + 5101006010010.

It is an arithmetic number, because the mean of its divisors is an integer number (5101006010010).

Almost surely, 2^{10202012020019} is an apocalyptic number.

10202012020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202012020019 is an equidigital number, since it uses as much as digits as its factorization.

10202012020019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 10202012020019 in words is "ten trillion, two hundred two billion, twelve million, twenty thousand, nineteen".