20013315263326 has 96 divisors (see below), whose sum is σ = 39431921209344. Its totient is φ = 7525301112000.

The previous prime is 20013315263317. The next prime is 20013315263327. The reversal of 20013315263326 is 62336251331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013315263327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11448496 + ... + 13080316.

It is an arithmetic number, because the mean of its divisors is an integer number (410749179264).

Almost surely, 2^{20013315263326} is an apocalyptic number.

20013315263326 is a deficient number, since it is larger than the sum of its proper divisors (19418605946018).

20013315263326 is a wasteful number, since it uses less digits than its factorization.

20013315263326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632246 (or 1632239 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 20013315263326 its reverse (62336251331002), we get a palindrome (82349566594328).

The spelling of 20013315263326 in words is "twenty trillion, thirteen billion, three hundred fifteen million, two hundred sixty-three thousand, three hundred twenty-six".