20326214613501 has 16 divisors (see below), whose sum is σ = 31084294750720. Its totient is φ = 13113686846880.

The previous prime is 20326214613461. The next prime is 20326214613521. The reversal of 20326214613501 is 10531641262302.

20326214613501 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 6 + 2 + 146 + 1 + 3 + 501 = 666.

It is not a de Polignac number, because 20326214613501 - 2⁶ = 20326214613437 is a prime.

It is a super-2 number, since 2×20326214613501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326214613521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12142301800 + ... + 12142303473.

It is an arithmetic number, because the mean of its divisors is an integer number (1942768421920).

Almost surely, 2^{20326214613501} is an apocalyptic number.

It is an amenable number.

20326214613501 is a deficient number, since it is larger than the sum of its proper divisors (10758080137219).

20326214613501 is a wasteful number, since it uses less digits than its factorization.

20326214613501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24284605313 (or 24284605307 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 20326214613501 its reverse (10531641262302), we get a palindrome (30857855875803).

The spelling of 20326214613501 in words is "twenty trillion, three hundred twenty-six billion, two hundred fourteen million, six hundred thirteen thousand, five hundred one".