20334732 has 48 divisors (see below), whose sum is σ = 52211712. Its totient is φ = 6108480.

The previous prime is 20334709. The next prime is 20334733. The reversal of 20334732 is 23743302.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20334733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16158 + ... + 17370.

It is an arithmetic number, because the mean of its divisors is an integer number (1087744).

Almost surely, 2^20334732 is an apocalyptic number.

20334732 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 20334732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26105856).

20334732 is an abundant number, since it is smaller than the sum of its proper divisors (31876980).

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

20334732 is a wasteful number, since it uses less digits than its factorization.

20334732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 20334732 is about 4509.4048387786. The cubic root of 20334732 is about 272.9477284564.

The spelling of 20334732 in words is "twenty million, three hundred thirty-four thousand, seven hundred thirty-two".