20214204 has 24 divisors (see below), whose sum is σ = 47765760. Its totient is φ = 6652464.

The previous prime is 20214203. The next prime is 20214223. The reversal of 20214204 is 40241202.

It is a super-2 number, since 2×20214204² = 817228086707232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214203) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9714 + ... + 11609.

It is an arithmetic number, because the mean of its divisors is an integer number (1990240).

Almost surely, 2^20214204 is an apocalyptic number.

It is an amenable number.

20214204 is an abundant number, since it is smaller than the sum of its proper divisors (27551556).

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

20214204 is a wasteful number, since it uses less digits than its factorization.

20214204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21409 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20214204 is about 4496.0209074247. The cubic root of 20214204 is about 272.4073876567.

Adding to 20214204 its reverse (40241202), we get a palindrome (60455406).

The spelling of 20214204 in words is "twenty million, two hundred fourteen thousand, two hundred four".