20110020101019 has 20 divisors (see below), whose sum is σ = 30042087159744. Its totient is φ = 13406147683344.

The previous prime is 20110020100979. The next prime is 20110020101021. The reversal of 20110020101019 is 91010102001102.

It is a happy number.

It is not a de Polignac number, because 20110020101019 - 2⁸ = 20110020100763 is a prime.

It is a super-2 number, since 2×20110020101019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110020100992 and 20110020101010.

It is not an unprimeable number, because it can be changed into a prime (20110020101089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2871852 + ... + 6961865.

Almost surely, 2^{20110020101019} is an apocalyptic number.

20110020101019 is a deficient number, since it is larger than the sum of its proper divisors (9932067058725).

20110020101019 is an equidigital number, since it uses as much as digits as its factorization.

20110020101019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858976 (or 9858967 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 20110020101019 in words is "twenty trillion, one hundred ten billion, twenty million, one hundred one thousand, nineteen".