20000200000023 has 10 divisors (see below), whose sum is σ = 29876841975464. Its totient is φ = 13333466666628.

The previous prime is 20000199999971. The next prime is 20000200000103. The reversal of 20000200000023 is 32000000200002.

It is not a de Polignac number, because 20000200000023 - 2¹² = 20000199995927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000199999960 and 20000200000014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000200002023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123458024611 + ... + 123458024772.

Almost surely, 2^{20000200000023} is an apocalyptic number.

20000200000023 is a deficient number, since it is larger than the sum of its proper divisors (9876641975441).

20000200000023 is an equidigital number, since it uses as much as digits as its factorization.

20000200000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246916049395 (or 246916049386 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20000200000023 its reverse (32000000200002), we get a palindrome (52000200200025).

The spelling of 20000200000023 in words is "twenty trillion, two hundred million, twenty-three", and thus it is an aban number.