20049528 has 64 divisors (see below), whose sum is σ = 53580960. Its totient is φ = 6230016.

The previous prime is 20049509. The next prime is 20049559. The reversal of 20049528 is 82594002.

It is a junction number, because it is equal to n+sod(n) for n = 20049495 and 20049504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63900 + ... + 64212.

Almost surely, 2^20049528 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 20049528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26790480).

20049528 is an abundant number, since it is smaller than the sum of its proper divisors (33531432).

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

20049528 is a wasteful number, since it uses less digits than its factorization.

20049528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 20049528 is about 4477.6699297737. The cubic root of 20049528 is about 271.6656430806.

The spelling of 20049528 in words is "twenty million, forty-nine thousand, five hundred twenty-eight".