20469253 has 8 divisors (see below), whose sum is σ = 23450240. Its totient is φ = 17502480.

The previous prime is 20469233. The next prime is 20469311. The reversal of 20469253 is 35296402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20469253 - 2⁹ = 20468741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20469203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (2931280).

Almost surely, 2^20469253 is an apocalyptic number.

It is an amenable number.

20469253 is a deficient number, since it is larger than the sum of its proper divisors (2980987).

20469253 is an equidigital number, since it uses as much as digits as its factorization.

20469253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 20469253 is about 4524.2958568157. The cubic root of 20469253 is about 273.5482860335.

The spelling of 20469253 in words is "twenty million, four hundred sixty-nine thousand, two hundred fifty-three".