20554516 has 12 divisors (see below), whose sum is σ = 36807232. Its totient is φ = 10038168.

The previous prime is 20554493. The next prime is 20554517. The reversal of 20554516 is 61545502.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554517) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59580 + ... + 59923.

Almost surely, 2^20554516 is an apocalyptic number.

It is an amenable number.

20554516 is a deficient number, since it is larger than the sum of its proper divisors (16252716).

20554516 is a wasteful number, since it uses less digits than its factorization.

20554516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119550 (or 119548 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 20554516 is about 4533.7088569956. The cubic root of 20554516 is about 273.9275742296.

The spelling of 20554516 in words is "twenty million, five hundred fifty-four thousand, five hundred sixteen".