20350031341636 has 24 divisors (see below), whose sum is σ = 35772810962840. Its totient is φ = 10129239993600.

The previous prime is 20350031341597. The next prime is 20350031341663. The reversal of 20350031341636 is 63614313005302.

It can be written as a sum of positive squares in 4 ways, for example, as 11247706137600 + 9102325204036 = 3353760^2 + 3017006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20350031341595 and 20350031341604.

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, 5456746 + ... + 8395006.

Almost surely, 2^{20350031341636} is an apocalyptic number.

It is an amenable number.

20350031341636 is a deficient number, since it is larger than the sum of its proper divisors (15422779621204).

20350031341636 is a wasteful number, since it uses less digits than its factorization.

20350031341636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946055 (or 2946053 counting only the distinct ones).

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

Adding to 20350031341636 its reverse (63614313005302), we get a palindrome (83964344346938).

The spelling of 20350031341636 in words is "twenty trillion, three hundred fifty billion, thirty-one million, three hundred forty-one thousand, six hundred thirty-six".