20445100410011 has 8 divisors (see below), whose sum is σ = 20511011649024. Its totient is φ = 20379190270120.

The previous prime is 20445100409983. The next prime is 20445100410019. The reversal of 20445100410011 is 11001400154402.

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

It is a cyclic number.

It is not a de Polignac number, because 20445100410011 - 2¹⁰ = 20445100408987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20445100410019) 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, 54625070 + ... + 54998076.

It is an arithmetic number, because the mean of its divisors is an integer number (2563876456128).

Almost surely, 2^{20445100410011} is an apocalyptic number.

20445100410011 is a deficient number, since it is larger than the sum of its proper divisors (65911239013).

20445100410011 is a wasteful number, since it uses less digits than its factorization.

20445100410011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549561.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 20445100410011 its reverse (11001400154402), we get a palindrome (31446500564413).

The spelling of 20445100410011 in words is "twenty trillion, four hundred forty-five billion, one hundred million, four hundred ten thousand, eleven".