20539352 has 16 divisors (see below), whose sum is σ = 38772000. Its totient is φ = 10200160.

The previous prime is 20539307. The next prime is 20539357. The reversal of 20539352 is 25393502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20539357) 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, 7424 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (2423250).

Almost surely, 2^20539352 is an apocalyptic number.

It is an amenable number.

20539352 is a deficient number, since it is larger than the sum of its proper divisors (18232648).

20539352 is a wasteful number, since it uses less digits than its factorization.

20539352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386 (or 17382 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 20539352 is about 4532.0361869694. The cubic root of 20539352 is about 273.8601947197.

The spelling of 20539352 in words is "twenty million, five hundred thirty-nine thousand, three hundred fifty-two".