20513362020037 has 4 divisors (see below), whose sum is σ = 21405247325280. Its totient is φ = 19621476714796.

The previous prime is 20513362019933. The next prime is 20513362020059. The reversal of 20513362020037 is 73002026331502.

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 not a de Polignac number, because 20513362020037 - 2¹⁵ = 20513361987269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20513362019984 and 20513362020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20513362020637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445942652587 + ... + 445942652632.

It is an arithmetic number, because the mean of its divisors is an integer number (5351311831320).

Almost surely, 2^{20513362020037} is an apocalyptic number.

It is an amenable number.

20513362020037 is a deficient number, since it is larger than the sum of its proper divisors (891885305243).

20513362020037 is an equidigital number, since it uses as much as digits as its factorization.

20513362020037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891885305242.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 20513362020037 its reverse (73002026331502), we get a palindrome (93515388351539).

The spelling of 20513362020037 in words is "twenty trillion, five hundred thirteen billion, three hundred sixty-two million, twenty thousand, thirty-seven".