200020112101023 has 16 divisors (see below), whose sum is σ = 282383468094816. Its totient is φ = 125501867274240.

The previous prime is 200020112101003. The next prime is 200020112101039. The reversal of 200020112101023 is 320101211020002.

It is not a de Polignac number, because 200020112101023 - 2¹⁸ = 200020111838879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200020112100993 and 200020112101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020112101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7967536 + ... + 21529557.

It is an arithmetic number, because the mean of its divisors is an integer number (17648966755926).

Almost surely, 2^{200020112101023} is an apocalyptic number.

200020112101023 is a deficient number, since it is larger than the sum of its proper divisors (82363355993793).

200020112101023 is a wasteful number, since it uses less digits than its factorization.

200020112101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29630074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 200020112101023 its reverse (320101211020002), we get a palindrome (520121323121025).

The spelling of 200020112101023 in words is "two hundred trillion, twenty billion, one hundred twelve million, one hundred one thousand, twenty-three".