20606148 has 36 divisors (see below), whose sum is σ = 52808028. Its totient is φ = 6773760.

The previous prime is 20606143. The next prime is 20606171. The reversal of 20606148 is 84160602.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 11168964 = 3072^2 + 3342^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20606148² = 849226670795808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20606141) 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, 1293 + ... + 6548.

Almost surely, 2^20606148 is an apocalyptic number.

It is an amenable number.

20606148 is an abundant number, since it is smaller than the sum of its proper divisors (32201880).

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

20606148 is a wasteful number, since it uses less digits than its factorization.

20606148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7919 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20606148 is about 4539.3995197603. The cubic root of 20606148 is about 274.1567469406.

The spelling of 20606148 in words is "twenty million, six hundred six thousand, one hundred forty-eight".