20410023055511 has 4 divisors (see below), whose sum is σ = 20413383842592. Its totient is φ = 20406662268432.

The previous prime is 20410023055507. The next prime is 20410023055529. The reversal of 20410023055511 is 11555032001402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20410023055511 - 2² = 20410023055507 is a prime.

It is a super-2 number, since 2×20410023055511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410023055711) 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, 1680384431 + ... + 1680396576.

It is an arithmetic number, because the mean of its divisors is an integer number (5103345960648).

Almost surely, 2^{20410023055511} is an apocalyptic number.

20410023055511 is a deficient number, since it is larger than the sum of its proper divisors (3360787081).

20410023055511 is an equidigital number, since it uses as much as digits as its factorization.

20410023055511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360787080.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 20410023055511 its reverse (11555032001402), we get a palindrome (31965055056913).

The spelling of 20410023055511 in words is "twenty trillion, four hundred ten billion, twenty-three million, fifty-five thousand, five hundred eleven".