20363303133636 has 96 divisors (see below), whose sum is σ = 48316421556480. Its totient is φ = 6674272556544.

The previous prime is 20363303133601. The next prime is 20363303133643. The reversal of 20363303133636 is 63633130336302.

It is a happy number.

It is a super-2 number, since 2×20363303133636² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 133825230 + ... + 133977306.

It is an arithmetic number, because the mean of its divisors is an integer number (503296057880).

Almost surely, 2^{20363303133636} is an apocalyptic number.

It is an amenable number.

20363303133636 is an abundant number, since it is smaller than the sum of its proper divisors (27953118422844).

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

20363303133636 is a wasteful number, since it uses less digits than its factorization.

20363303133636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152973 (or 152971 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 42.

Adding to 20363303133636 its reverse (63633130336302), we get a palindrome (83996433469938).

The spelling of 20363303133636 in words is "twenty trillion, three hundred sixty-three billion, three hundred three million, one hundred thirty-three thousand, six hundred thirty-six".