20355165424023 has 8 divisors (see below), whose sum is σ = 27600224304000. Its totient is φ = 13340108413368.

The previous prime is 20355165423997. The next prime is 20355165424037. The reversal of 20355165424023 is 32042456155302.

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

It is not a de Polignac number, because 20355165424023 - 2⁵ = 20355165423991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20355165424723) 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, 57500467123 + ... + 57500467476.

It is an arithmetic number, because the mean of its divisors is an integer number (3450028038000).

Almost surely, 2^{20355165424023} is an apocalyptic number.

20355165424023 is a deficient number, since it is larger than the sum of its proper divisors (7245058879977).

20355165424023 is a wasteful number, since it uses less digits than its factorization.

20355165424023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115000934661.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 20355165424023 in words is "twenty trillion, three hundred fifty-five billion, one hundred sixty-five million, four hundred twenty-four thousand, twenty-three".