20545403136041 has 8 divisors (see below), whose sum is σ = 23722527333120. Its totient is φ = 17428795590528.

The previous prime is 20545403135981. The next prime is 20545403136053. The reversal of 20545403136041 is 14063130454502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20545403136041 is a prime.

It is a super-2 number, since 2×20545403136041² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20545403135986 and 20545403136004.

It is not an unprimeable number, because it can be changed into a prime (20545403136241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15129162161 + ... + 15129163518.

It is an arithmetic number, because the mean of its divisors is an integer number (2965315916640).

Almost surely, 2^{20545403136041} is an apocalyptic number.

It is an amenable number.

20545403136041 is a deficient number, since it is larger than the sum of its proper divisors (3177124197079).

20545403136041 is an equidigital number, since it uses as much as digits as its factorization.

20545403136041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258325783.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 20545403136041 in words is "twenty trillion, five hundred forty-five billion, four hundred three million, one hundred thirty-six thousand, forty-one".