20504414 has 32 divisors (see below), whose sum is σ = 37630656. Its totient is φ = 8179200.

The previous prime is 20504413. The next prime is 20504417. The reversal of 20504414 is 41440502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23612 + ... + 24464.

It is an arithmetic number, because the mean of its divisors is an integer number (1175958).

Almost surely, 2^20504414 is an apocalyptic number.

20504414 is a deficient number, since it is larger than the sum of its proper divisors (17126242).

20504414 is a wasteful number, since it uses less digits than its factorization.

20504414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 20504414 is about 4528.1799875888. The cubic root of 20504414 is about 273.7048253612.

Adding to 20504414 its reverse (41440502), we get a palindrome (61944916).

The spelling of 20504414 in words is "twenty million, five hundred four thousand, four hundred fourteen".