20252554 has 8 divisors (see below), whose sum is σ = 34718688. Its totient is φ = 8679660.

The previous prime is 20252543. The next prime is 20252611. The reversal of 20252554 is 45525202.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 723292 + ... + 723319.

It is an arithmetic number, because the mean of its divisors is an integer number (4339836).

Almost surely, 2^20252554 is an apocalyptic number.

20252554 is a deficient number, since it is larger than the sum of its proper divisors (14466134).

20252554 is a wasteful number, since it uses less digits than its factorization.

20252554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446620.

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

The square root of 20252554 is about 4500.2837688306. The cubic root of 20252554 is about 272.5795475196.

Adding to 20252554 its reverse (45525202), we get a palindrome (65777756).

The spelling of 20252554 in words is "twenty million, two hundred fifty-two thousand, five hundred fifty-four".