20064832 has 56 divisors (see below), whose sum is σ = 42647616. Its totient is φ = 9343488.

The previous prime is 20064823. The next prime is 20064833. The reversal of 20064832 is 23846002.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20064797 and 20064806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064833) 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, 63138 + ... + 63454.

Almost surely, 2^20064832 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 20064832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21323808).

20064832 is an abundant number, since it is smaller than the sum of its proper divisors (22582784).

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

20064832 is a wasteful number, since it uses less digits than its factorization.

20064832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20064832 is about 4479.3785283229. The cubic root of 20064832 is about 271.7347471781.

It can be divided in two parts, 200648 and 32, that multiplied together give a triangular number (6420736 = T₃₅₈₃).

The spelling of 20064832 in words is "twenty million, sixty-four thousand, eight hundred thirty-two".