20419485 has 8 divisors (see below), whose sum is σ = 32671200. Its totient is φ = 10890384.

The previous prime is 20419481. The next prime is 20419501. The reversal of 20419485 is 58491402.

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

It is not a de Polignac number, because 20419485 - 2² = 20419481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20419481) 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, 680635 + ... + 680664.

It is an arithmetic number, because the mean of its divisors is an integer number (4083900).

Almost surely, 2^20419485 is an apocalyptic number.

It is an amenable number.

20419485 is a deficient number, since it is larger than the sum of its proper divisors (12251715).

20419485 is a wasteful number, since it uses less digits than its factorization.

20419485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361307.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 20419485 is about 4518.7924271867. The cubic root of 20419485 is about 273.3264085429.

The spelling of 20419485 in words is "twenty million, four hundred nineteen thousand, four hundred eighty-five".