20064236700500 has 24 divisors (see below), whose sum is σ = 43820292954984. Its totient is φ = 8025694680000.

The previous prime is 20064236700463. The next prime is 20064236700511. The reversal of 20064236700500 is 500763246002.

It can be written as a sum of positive squares in 4 ways, for example, as 860612446864 + 19203624253636 = 927692^2 + 4382194^2 .

It is a super-2 number, since 2×20064236700500² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20064236201 + ... + 20064237200.

It is an arithmetic number, because the mean of its divisors is an integer number (1825845539791).

Almost surely, 2^{20064236700500} is an apocalyptic number.

20064236700500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20064236700500 is an abundant number, since it is smaller than the sum of its proper divisors (23756056254484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20064236700500 is a wasteful number, since it uses less digits than its factorization.

20064236700500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40128473420 (or 40128473408 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 20064236700500 its reverse (500763246002), we get a palindrome (20564999946502).

The spelling of 20064236700500 in words is "twenty trillion, sixty-four billion, two hundred thirty-six million, seven hundred thousand, five hundred".