20200120002013 has 4 divisors (see below), whose sum is σ = 23085851430880. Its totient is φ = 17314388573148.

The previous prime is 20200120001953. The next prime is 20200120002017. The reversal of 20200120002013 is 31020002100202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20200120002013 - 2¹³ = 20200119993821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200120001984 and 20200120002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200120002017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442865714423 + ... + 1442865714436.

It is an arithmetic number, because the mean of its divisors is an integer number (5771462857720).

Almost surely, 2^{20200120002013} is an apocalyptic number.

It is an amenable number.

20200120002013 is a deficient number, since it is larger than the sum of its proper divisors (2885731428867).

20200120002013 is an equidigital number, since it uses as much as digits as its factorization.

20200120002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885731428866.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20200120002013 its reverse (31020002100202), we get a palindrome (51220122102215).

The spelling of 20200120002013 in words is "twenty trillion, two hundred billion, one hundred twenty million, two thousand, thirteen".