20554026 has 32 divisors (see below), whose sum is σ = 42069888. Its totient is φ = 6693120.

The previous prime is 20554013. The next prime is 20554049. The reversal of 20554026 is 62045502.

It is a junction number, because it is equal to n+sod(n) for n = 20553987 and 20554005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73006 + ... + 73286.

It is an arithmetic number, because the mean of its divisors is an integer number (1314684).

Almost surely, 2^20554026 is an apocalyptic number.

20554026 is an abundant number, since it is smaller than the sum of its proper divisors (21515862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20554026 is a wasteful number, since it uses less digits than its factorization.

20554026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 20554026 is about 4533.6548170323. The cubic root of 20554026 is about 273.9253974885.

Adding to 20554026 its reverse (62045502), we get a palindrome (82599528).

The spelling of 20554026 in words is "twenty million, five hundred fifty-four thousand, twenty-six".