20375432 has 96 divisors (see below), whose sum is σ = 50050560. Its totient is φ = 7603200.

The previous prime is 20375423. The next prime is 20375441. The reversal of 20375432 is 23457302.

It is an interprime number because it is at equal distance from previous prime (20375423) and next prime (20375441).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210008 + ... + 210104.

It is an arithmetic number, because the mean of its divisors is an integer number (521360).

Almost surely, 2^20375432 is an apocalyptic number.

20375432 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 20375432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25025280).

20375432 is an abundant number, since it is smaller than the sum of its proper divisors (29675128).

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

20375432 is a wasteful number, since it uses less digits than its factorization.

20375432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 20375432 is about 4513.9153735975. The cubic root of 20375432 is about 273.1297088768.

The spelling of 20375432 in words is "twenty million, three hundred seventy-five thousand, four hundred thirty-two".