20206125454055 has 4 divisors (see below), whose sum is σ = 24247350544872. Its totient is φ = 16164900363240.

The previous prime is 20206125454051. The next prime is 20206125454057. The reversal of 20206125454055 is 55045452160202.

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

It is not a de Polignac number, because 20206125454055 - 2² = 20206125454051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206125454051) 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, 2020612545401 + ... + 2020612545410.

It is an arithmetic number, because the mean of its divisors is an integer number (6061837636218).

Almost surely, 2^{20206125454055} is an apocalyptic number.

20206125454055 is a deficient number, since it is larger than the sum of its proper divisors (4041225090817).

20206125454055 is an equidigital number, since it uses as much as digits as its factorization.

20206125454055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041225090816.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 20206125454055 in words is "twenty trillion, two hundred six billion, one hundred twenty-five million, four hundred fifty-four thousand, fifty-five".