20362534641 has 6 divisors (see below), whose sum is σ = 29412550050. Its totient is φ = 13575023088.

The previous prime is 20362534597. The next prime is 20362534697. The reversal of 20362534641 is 14643526302.

20362534641 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 2 + 5 + 3 + 4 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20248151616 + 114383025 = 142296^2 + 10695^2 .

It is not a de Polignac number, because 20362534641 - 2⁷ = 20362534513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20362534596 and 20362534605.

It is not an unprimeable number, because it can be changed into a prime (20362534141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131251916 + ... + 1131251933.

It is an arithmetic number, because the mean of its divisors is an integer number (4902091675).

Almost surely, 2^20362534641 is an apocalyptic number.

It is an amenable number.

20362534641 is a deficient number, since it is larger than the sum of its proper divisors (9050015409).

20362534641 is a wasteful number, since it uses less digits than its factorization.

20362534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262503855 (or 2262503852 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20362534641 in words is "twenty billion, three hundred sixty-two million, five hundred thirty-four thousand, six hundred forty-one".