20472333 has 8 divisors (see below), whose sum is σ = 31195968. Its totient is φ = 11698464.

The previous prime is 20472299. The next prime is 20472341. The reversal of 20472333 is 33327402.

It is a happy number.

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

It is not a de Polignac number, because 20472333 - 2⁶ = 20472269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472533) 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, 487416 + ... + 487457.

It is an arithmetic number, because the mean of its divisors is an integer number (3899496).

Almost surely, 2^20472333 is an apocalyptic number.

It is an amenable number.

20472333 is a deficient number, since it is larger than the sum of its proper divisors (10723635).

20472333 is an equidigital number, since it uses as much as digits as its factorization.

20472333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974883.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 20472333 is about 4524.6362284719. The cubic root of 20472333 is about 273.5620055778.

Adding to 20472333 its reverse (33327402), we get a palindrome (53799735).

The spelling of 20472333 in words is "twenty million, four hundred seventy-two thousand, three hundred thirty-three".