20210200100019 has 6 divisors (see below), whose sum is σ = 29192511255596. Its totient is φ = 13473466733340.

The previous prime is 20210200099997. The next prime is 20210200100021. The reversal of 20210200100019 is 91000100201202.

It is not a de Polignac number, because 20210200100019 - 2⁷ = 20210200099891 is a prime.

It is a super-2 number, since 2×20210200100019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210200099974 and 20210200100010.

It is not an unprimeable number, because it can be changed into a prime (20210200100029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122788894437 + ... + 1122788894454.

Almost surely, 2^{20210200100019} is an apocalyptic number.

20210200100019 is a deficient number, since it is larger than the sum of its proper divisors (8982311155577).

20210200100019 is a wasteful number, since it uses less digits than its factorization.

20210200100019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245577788897 (or 2245577788894 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20210200100019 in words is "twenty trillion, two hundred ten billion, two hundred million, one hundred thousand, nineteen".