20534204 has 12 divisors (see below), whose sum is σ = 37174200. Its totient is φ = 9913008.

The previous prime is 20534179. The next prime is 20534207. The reversal of 20534204 is 40243502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534207) 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, 88394 + ... + 88625.

It is an arithmetic number, because the mean of its divisors is an integer number (3097850).

Almost surely, 2^20534204 is an apocalyptic number.

It is an amenable number.

20534204 is a deficient number, since it is larger than the sum of its proper divisors (16639996).

20534204 is a wasteful number, since it uses less digits than its factorization.

20534204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177052 (or 177050 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20534204 is about 4531.4681947466. The cubic root of 20534204 is about 273.8373126267.

Adding to 20534204 its reverse (40243502), we get a palindrome (60777706).

The spelling of 20534204 in words is "twenty million, five hundred thirty-four thousand, two hundred four".