20513362020023 has 16 divisors (see below), whose sum is σ = 21733121599200. Its totient is φ = 19295059792896.

The previous prime is 20513362019933. The next prime is 20513362020059. The reversal of 20513362020023 is 32002026331502.

It is a cyclic number.

It is not a de Polignac number, because 20513362020023 - 2⁸ = 20513362019767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20513362050023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264933611 + ... + 265011027.

It is an arithmetic number, because the mean of its divisors is an integer number (1358320099950).

Almost surely, 2^{20513362020023} is an apocalyptic number.

20513362020023 is a deficient number, since it is larger than the sum of its proper divisors (1219759579177).

20513362020023 is a wasteful number, since it uses less digits than its factorization.

20513362020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86626.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20513362020023 its reverse (32002026331502), we get a palindrome (52515388351525).

The spelling of 20513362020023 in words is "twenty trillion, five hundred thirteen billion, three hundred sixty-two million, twenty thousand, twenty-three".