20841452 has 6 divisors (see below), whose sum is σ = 36472548. Its totient is φ = 10420724.

The previous prime is 20841421. The next prime is 20841463. The reversal of 20841452 is 25414802.

It is a happy number.

It is a super-2 number, since 2×20841452² = 868732242936608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605178 + ... + 2605185.

It is an arithmetic number, because the mean of its divisors is an integer number (6078758).

Almost surely, 2^20841452 is an apocalyptic number.

It is an amenable number.

20841452 is a deficient number, since it is larger than the sum of its proper divisors (15631096).

20841452 is a wasteful number, since it uses less digits than its factorization.

20841452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210367 (or 5210365 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20841452 is about 4565.2439146227. The cubic root of 20841452 is about 275.1963424282.

The spelling of 20841452 in words is "twenty million, eight hundred forty-one thousand, four hundred fifty-two".