20484094 has 4 divisors (see below), whose sum is σ = 30726144. Its totient is φ = 10242046.

The previous prime is 20484083. The next prime is 20484097. The reversal of 20484094 is 49048402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121022 + ... + 5121025.

It is an arithmetic number, because the mean of its divisors is an integer number (7681536).

Almost surely, 2^20484094 is an apocalyptic number.

20484094 is a deficient number, since it is larger than the sum of its proper divisors (10242050).

20484094 is a wasteful number, since it uses less digits than its factorization.

20484094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242049.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20484094 is about 4525.9357043599. The cubic root of 20484094 is about 273.6143810909.

The spelling of 20484094 in words is "twenty million, four hundred eighty-four thousand, ninety-four".