20529024 has 64 divisors (see below), whose sum is σ = 55010640. Its totient is φ = 6782976.

The previous prime is 20529023. The next prime is 20529031. The reversal of 20529024 is 42092502.

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 (24).

It is a junction number, because it is equal to n+sod(n) for n = 20528985 and 20529003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20529023) 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, 73974 + ... + 74250.

Almost surely, 2^20529024 is an apocalyptic number.

20529024 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 20529024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27505320).

20529024 is an abundant number, since it is smaller than the sum of its proper divisors (34481616).

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

20529024 is a wasteful number, since it uses less digits than its factorization.

20529024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20529024 is about 4530.8966000120. The cubic root of 20529024 is about 273.8142844380.

The spelling of 20529024 in words is "twenty million, five hundred twenty-nine thousand, twenty-four".