20884118 has 8 divisors (see below), whose sum is σ = 32406480. Its totient is φ = 10081960.

The previous prime is 20884103. The next prime is 20884133. The reversal of 20884118 is 81148802.

It is an interprime number because it is at equal distance from previous prime (20884103) and next prime (20884133).

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

It is a super-2 number, since 2×20884118² = 872292769275848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179978 + ... + 180093.

It is an arithmetic number, because the mean of its divisors is an integer number (4050810).

Almost surely, 2^20884118 is an apocalyptic number.

20884118 is a deficient number, since it is larger than the sum of its proper divisors (11522362).

20884118 is a wasteful number, since it uses less digits than its factorization.

20884118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360102.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 20884118 is about 4569.9144412122. The cubic root of 20884118 is about 275.3840056797.

The spelling of 20884118 in words is "twenty million, eight hundred eighty-four thousand, one hundred eighteen".