20484629 has 8 divisors (see below), whose sum is σ = 22381920. Its totient is φ = 18593200.

The previous prime is 20484617. The next prime is 20484631. The reversal of 20484629 is 92648402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20484629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414629) 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, 9362 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (2797740).

Almost surely, 2^20484629 is an apocalyptic number.

It is an amenable number.

20484629 is a deficient number, since it is larger than the sum of its proper divisors (1897291).

20484629 is a wasteful number, since it uses less digits than its factorization.

20484629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 20484629 is about 4525.9948077743. The cubic root of 20484629 is about 273.6167631411.

The spelling of 20484629 in words is "twenty million, four hundred eighty-four thousand, six hundred twenty-nine".