20030485824 has 672 divisors, whose sum is σ = 69383208960. Its totient is φ = 5474304000.

The previous prime is 20030485817. The next prime is 20030485901. The reversal of 20030485824 is 42858403002.

20030485824 is a `hidden beast` number, since 2 + 0 + 0 + 30 + 48 + 582 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 132652149 + ... + 132652299.

Almost surely, 2^20030485824 is an apocalyptic number.

20030485824 is a gapful number since it is divisible by the number (24) 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 20030485824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34691604480).

20030485824 is an abundant number, since it is smaller than the sum of its proper divisors (49352723136).

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

20030485824 is a wasteful number, since it uses less digits than its factorization.

20030485824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 20030485824 its reverse (42858403002), we get a palindrome (62888888826).

The spelling of 20030485824 in words is "twenty billion, thirty million, four hundred eighty-five thousand, eight hundred twenty-four".