20650356441 has 48 divisors (see below), whose sum is σ = 35196557760. Its totient is φ = 11502034560.

The previous prime is 20650356439. The next prime is 20650356469. The reversal of 20650356441 is 14465305602.

20650356441 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 0 + 3 + 5 + 644 + 1 = 666.

It is not a de Polignac number, because 20650356441 - 2¹ = 20650356439 is a prime.

It is a super-2 number, since 2×20650356441² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20650356396 and 20650356405.

It is not an unprimeable number, because it can be changed into a prime (20650356401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259690 + ... + 329756.

It is an arithmetic number, because the mean of its divisors is an integer number (733261620).

Almost surely, 2^20650356441 is an apocalyptic number.

It is an amenable number.

20650356441 is a deficient number, since it is larger than the sum of its proper divisors (14546201319).

20650356441 is a wasteful number, since it uses less digits than its factorization.

20650356441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70326 (or 70323 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 20650356441 in words is "twenty billion, six hundred fifty million, three hundred fifty-six thousand, four hundred forty-one".