20048512 has 64 divisors (see below), whose sum is σ = 45165600. Its totient is φ = 8780800.

The previous prime is 20048503. The next prime is 20048513. The reversal of 20048512 is 21584002.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20048513) 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, 40587 + ... + 41077.

Almost surely, 2^20048512 is an apocalyptic number.

20048512 is a gapful number since it is divisible by the number (22) 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 20048512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22582800).

20048512 is an abundant number, since it is smaller than the sum of its proper divisors (25117088).

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

20048512 is a wasteful number, since it uses less digits than its factorization.

20048512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20048512 is about 4477.5564764724. The cubic root of 20048512 is about 271.6610541620.

The spelling of 20048512 in words is "twenty million, forty-eight thousand, five hundred twelve".