20411056351636 has 12 divisors (see below), whose sum is σ = 35719652986612. Its totient is φ = 10205441212608.

The previous prime is 20411056351633. The next prime is 20411056351657. The reversal of 20411056351636 is 63615365011402.

It can be written as a sum of positive squares in 2 ways, for example, as 10039075402500 + 10371980949136 = 3168450^2 + 3220556^2 .

It is a super-2 number, since 2×20411056351636² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20411056351592 and 20411056351601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411056351633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21211275 + ... + 22152658.

Almost surely, 2^{20411056351636} is an apocalyptic number.

It is an amenable number.

20411056351636 is a deficient number, since it is larger than the sum of its proper divisors (15308596634976).

20411056351636 is a wasteful number, since it uses less digits than its factorization.

20411056351636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43481610 (or 43481608 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 20411056351636 in words is "twenty trillion, four hundred eleven billion, fifty-six million, three hundred fifty-one thousand, six hundred thirty-six".