20552254 has 8 divisors (see below), whose sum is σ = 31484448. Its totient is φ = 10057440.

The previous prime is 20552249. The next prime is 20552291. The reversal of 20552254 is 45225502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109227 + ... + 109414.

It is an arithmetic number, because the mean of its divisors is an integer number (3935556).

Almost surely, 2^20552254 is an apocalyptic number.

20552254 is a deficient number, since it is larger than the sum of its proper divisors (10932194).

20552254 is a wasteful number, since it uses less digits than its factorization.

20552254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218690.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 20552254 is about 4533.4593855024. The cubic root of 20552254 is about 273.9175253932.

Adding to 20552254 its reverse (45225502), we get a palindrome (65777756).

The spelling of 20552254 in words is "twenty million, five hundred fifty-two thousand, two hundred fifty-four".