20472110 has 8 divisors (see below), whose sum is σ = 36849816. Its totient is φ = 8188840.

The previous prime is 20472107. The next prime is 20472113. The reversal of 20472110 is 1127402.

It is an interprime number because it is at equal distance from previous prime (20472107) and next prime (20472113).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023596 + ... + 1023615.

It is an arithmetic number, because the mean of its divisors is an integer number (4606227).

Almost surely, 2^20472110 is an apocalyptic number.

20472110 is a deficient number, since it is larger than the sum of its proper divisors (16377706).

20472110 is a wasteful number, since it uses less digits than its factorization.

20472110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047218.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20472110 is about 4524.6115855397. The cubic root of 20472110 is about 273.5610122934.

Adding to 20472110 its reverse (1127402), we get a palindrome (21599512).

The spelling of 20472110 in words is "twenty million, four hundred seventy-two thousand, one hundred ten".