212020020000023 has 4 divisors (see below), whose sum is σ = 212020049531760. Its totient is φ = 212019990468288.

The previous prime is 212020019999947. The next prime is 212020020000031. The reversal of 212020020000023 is 320000020020212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020020000023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020019999962 and 212020020000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020020000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705383 + ... + 20922951.

It is an arithmetic number, because the mean of its divisors is an integer number (53005012382940).

Almost surely, 2^{212020020000023} is an apocalyptic number.

212020020000023 is a deficient number, since it is larger than the sum of its proper divisors (29531737).

212020020000023 is a wasteful number, since it uses less digits than its factorization.

212020020000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29531736.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 212020020000023 its reverse (320000020020212), we get a palindrome (532020040020235).

The spelling of 212020020000023 in words is "two hundred twelve trillion, twenty billion, twenty million, twenty-three", and thus it is an aban number.