20554298 has 4 divisors (see below), whose sum is σ = 30831450. Its totient is φ = 10277148.

The previous prime is 20554297. The next prime is 20554319. The reversal of 20554298 is 89245502.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 5938969 = 3823^2 + 2437^2 .

It is not an unprimeable number, because it can be changed into a prime (20554291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138573 + ... + 5138576.

Almost surely, 2^20554298 is an apocalyptic number.

20554298 is a deficient number, since it is larger than the sum of its proper divisors (10277152).

20554298 is a wasteful number, since it uses less digits than its factorization.

20554298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277151.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 20554298 is about 4533.6848148057. The cubic root of 20554298 is about 273.9266058062.

The spelling of 20554298 in words is "twenty million, five hundred fifty-four thousand, two hundred ninety-eight".