200420023204023 has 16 divisors (see below), whose sum is σ = 305450088193536. Its totient is φ = 114507672017760.

The previous prime is 200420023204021. The next prime is 200420023204097. The reversal of 200420023204023 is 320402320024002.

It is a happy number.

It is not a de Polignac number, because 200420023204023 - 2¹ = 200420023204021 is a prime.

It is a super-2 number, since 2×200420023204023² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200420023203984 and 200420023204002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200420023204021) 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, 752177268 + ... + 752443673.

It is an arithmetic number, because the mean of its divisors is an integer number (19090630512096).

Almost surely, 2^{200420023204023} is an apocalyptic number.

200420023204023 is a deficient number, since it is larger than the sum of its proper divisors (105030064989513).

200420023204023 is a wasteful number, since it uses less digits than its factorization.

200420023204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504627294.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 200420023204023 its reverse (320402320024002), we get a palindrome (520822343228025).

The spelling of 200420023204023 in words is "two hundred trillion, four hundred twenty billion, twenty-three million, two hundred four thousand, twenty-three".