20573404 has 12 divisors (see below), whose sum is σ = 36769824. Its totient is φ = 10067744.

The previous prime is 20573401. The next prime is 20573411. The reversal of 20573404 is 40437502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20573401) 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, 54529 + ... + 54904.

It is an arithmetic number, because the mean of its divisors is an integer number (3064152).

Almost surely, 2^20573404 is an apocalyptic number.

It is an amenable number.

20573404 is a deficient number, since it is larger than the sum of its proper divisors (16196420).

20573404 is a wasteful number, since it uses less digits than its factorization.

20573404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109484 (or 109482 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20573404 is about 4535.7914414135. The cubic root of 20573404 is about 274.0114545800.

The spelling of 20573404 in words is "twenty million, five hundred seventy-three thousand, four hundred four".