20455514 has 8 divisors (see below), whose sum is σ = 32298240. Its totient is φ = 9689436.

The previous prime is 20455499. The next prime is 20455529. The reversal of 20455514 is 41555402.

It is an interprime number because it is at equal distance from previous prime (20455499) and next prime (20455529).

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

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, 269114 + ... + 269189.

It is an arithmetic number, because the mean of its divisors is an integer number (4037280).

Almost surely, 2^20455514 is an apocalyptic number.

20455514 is a deficient number, since it is larger than the sum of its proper divisors (11842726).

20455514 is a wasteful number, since it uses less digits than its factorization.

20455514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538324.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 20455514 is about 4522.7772441278. Note that the first 3 decimals coincide. The cubic root of 20455514 is about 273.4870702991.

The spelling of 20455514 in words is "twenty million, four hundred fifty-five thousand, five hundred fourteen".