20455414 has 8 divisors (see below), whose sum is σ = 35066448. Its totient is φ = 8766600.

The previous prime is 20455397. The next prime is 20455417. The reversal of 20455414 is 41455402.

It is a happy number.

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

It is a super-2 number, since 2×20455414² = 836847923822792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730537 + ... + 730564.

It is an arithmetic number, because the mean of its divisors is an integer number (4383306).

Almost surely, 2^20455414 is an apocalyptic number.

20455414 is a deficient number, since it is larger than the sum of its proper divisors (14611034).

20455414 is a wasteful number, since it uses less digits than its factorization.

20455414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461110.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 20455414 is about 4522.7661889600. The cubic root of 20455414 is about 273.4866246368.

The spelling of 20455414 in words is "twenty million, four hundred fifty-five thousand, four hundred fourteen".