20472033 has 8 divisors (see below), whose sum is σ = 27625248. Its totient is φ = 13483424.

The previous prime is 20472031. The next prime is 20472041. The reversal of 20472033 is 33027402.

It is a happy number.

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 20472033 - 2¹ = 20472031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20472031) 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, 40860 + ... + 41357.

It is an arithmetic number, because the mean of its divisors is an integer number (3453156).

Almost surely, 2^20472033 is an apocalyptic number.

It is an amenable number.

20472033 is a deficient number, since it is larger than the sum of its proper divisors (7153215).

20472033 is an equidigital number, since it uses as much as digits as its factorization.

20472033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82303.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20472033 is about 4524.6030765140. The cubic root of 20472033 is about 273.5606693190.

Adding to 20472033 its reverse (33027402), we get a palindrome (53499435).

The spelling of 20472033 in words is "twenty million, four hundred seventy-two thousand, thirty-three".