20148132 has 36 divisors (see below), whose sum is σ = 49627536. Its totient is φ = 6361200.

The previous prime is 20148131. The next prime is 20148137. The reversal of 20148132 is 23184102.

It is a junction number, because it is equal to n+sod(n) for n = 20148099 and 20148108.

It is not an unprimeable number, because it can be changed into a prime (20148131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007 + ... + 6657.

Almost surely, 2^20148132 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 20148132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24813768).

20148132 is an abundant number, since it is smaller than the sum of its proper divisors (29479404).

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

20148132 is a wasteful number, since it uses less digits than its factorization.

20148132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20148132 is about 4488.6670627259. The cubic root of 20148132 is about 272.1102674317.

The spelling of 20148132 in words is "twenty million, one hundred forty-eight thousand, one hundred thirty-two".