20202300021023 has 16 divisors (see below), whose sum is σ = 20773173738240. Its totient is φ = 19635155500800.

The previous prime is 20202300021011. The next prime is 20202300021047. The reversal of 20202300021023 is 32012000320202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202300021023 is a prime.

It is a super-2 number, since 2×20202300021023² (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 = 20202300020992 and 20202300021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202300021623) 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, 239915858 + ... + 240000048.

It is an arithmetic number, because the mean of its divisors is an integer number (1298323358640).

Almost surely, 2^{20202300021023} is an apocalyptic number.

20202300021023 is a deficient number, since it is larger than the sum of its proper divisors (570873717217).

20202300021023 is a wasteful number, since it uses less digits than its factorization.

20202300021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106258.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20202300021023 its reverse (32012000320202), we get a palindrome (52214300341225).

The spelling of 20202300021023 in words is "twenty trillion, two hundred two billion, three hundred million, twenty-one thousand, twenty-three".