20030496 has 48 divisors (see below), whose sum is σ = 52998624. Its totient is φ = 6623744.

The previous prime is 20030489. The next prime is 20030497. The reversal of 20030496 is 69403002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20030497) 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, 12391 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (1104138).

Almost surely, 2^20030496 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 20030496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26499312).

20030496 is an abundant number, since it is smaller than the sum of its proper divisors (32968128).

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

20030496 is a wasteful number, since it uses less digits than its factorization.

20030496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20030496 is about 4475.5442127187. The cubic root of 20030496 is about 271.5796563953.

Adding to 20030496 its reverse (69403002), we get a palindrome (89433498).

The spelling of 20030496 in words is "twenty million, thirty thousand, four hundred ninety-six".