20214404 has 24 divisors (see below), whose sum is σ = 42557760. Its totient is φ = 8207136.

The previous prime is 20214391. The next prime is 20214409. The reversal of 20214404 is 40441202.

It is not an unprimeable number, because it can be changed into a prime (20214409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18467 + ... + 19530.

It is an arithmetic number, because the mean of its divisors is an integer number (1773240).

Almost surely, 2^20214404 is an apocalyptic number.

It is an amenable number.

20214404 is an abundant number, since it is smaller than the sum of its proper divisors (22343356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20214404 is a wasteful number, since it uses less digits than its factorization.

20214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38027 (or 38025 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 20214404 is about 4496.0431492591. The cubic root of 20214404 is about 272.4082860563.

Adding to 20214404 its reverse (40441202), we get a palindrome (60655606).

The spelling of 20214404 in words is "twenty million, two hundred fourteen thousand, four hundred four".