20043296 has 48 divisors (see below), whose sum is σ = 48573504. Its totient is φ = 7928064.

The previous prime is 20043269. The next prime is 20043311. The reversal of 20043296 is 69234002.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (1011948).

Almost surely, 2^20043296 is an apocalyptic number.

20043296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24286752).

20043296 is an abundant number, since it is smaller than the sum of its proper divisors (28530208).

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

20043296 is a wasteful number, since it uses less digits than its factorization.

20043296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913 (or 6905 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20043296 is about 4476.9739780347. The cubic root of 20043296 is about 271.6374928629.

Adding to 20043296 its reverse (69234002), we get a palindrome (89277298).

The spelling of 20043296 in words is "twenty million, forty-three thousand, two hundred ninety-six".