202023112300020 has 72 divisors (see below), whose sum is σ = 668512844344800. Its totient is φ = 48975299951040.

The previous prime is 202023112300019. The next prime is 202023112300067. The reversal of 202023112300020 is 20003211320202.

202023112300020 is a `hidden beast` number, since 202 + 0 + 231 + 1 + 230 + 0 + 0 + 2 + 0 = 666.

202023112300020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202023112299966 and 202023112300002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51015935470 + ... + 51015939429.

It is an arithmetic number, because the mean of its divisors is an integer number (9284900615900).

Almost surely, 2^{202023112300020} is an apocalyptic number.

202023112300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202023112300020 is an abundant number, since it is smaller than the sum of its proper divisors (466489732044780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202023112300020 is a wasteful number, since it uses less digits than its factorization.

202023112300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102031874925 (or 102031874920 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202023112300020 its reverse (20003211320202), we get a palindrome (222026323620222).

The spelling of 202023112300020 in words is "two hundred two trillion, twenty-three billion, one hundred twelve million, three hundred thousand, twenty".