20054427 has 16 divisors (see below), whose sum is σ = 27770880. Its totient is φ = 12859200.

The previous prime is 20054417. The next prime is 20054431. The reversal of 20054427 is 72445002.

It is not a de Polignac number, because 20054427 - 2¹⁰ = 20053403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20054397 and 20054406.

It is not an unprimeable number, because it can be changed into a prime (20054417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17199 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (1735680).

Almost surely, 2^20054427 is an apocalyptic number.

20054427 is a deficient number, since it is larger than the sum of its proper divisors (7716453).

20054427 is a wasteful number, since it uses less digits than its factorization.

20054427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 20054427 is about 4478.2169442759. The cubic root of 20054427 is about 271.6877679839.

Adding to 20054427 its reverse (72445002), we get a palindrome (92499429).

The spelling of 20054427 in words is "twenty million, fifty-four thousand, four hundred twenty-seven".