20018096 has 80 divisors (see below), whose sum is σ = 48806400. Its totient is φ = 7755264.

The previous prime is 20018093. The next prime is 20018101. The reversal of 20018096 is 69081002.

20018096 = T₄₁₆ + T₄₁₇ + ... + T₅₇₆.

It is not an unprimeable number, because it can be changed into a prime (20018093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48740 + ... + 49148.

It is an arithmetic number, because the mean of its divisors is an integer number (610080).

Almost surely, 2^20018096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20018096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24403200).

20018096 is an abundant number, since it is smaller than the sum of its proper divisors (28788304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20018096 is a wasteful number, since it uses less digits than its factorization.

20018096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 20018096 is about 4474.1586918660. The cubic root of 20018096 is about 271.5236038162.

Adding to 20018096 its reverse (69081002), we get a palindrome (89099098).

The spelling of 20018096 in words is "twenty million, eighteen thousand, ninety-six".