20146132 has 6 divisors (see below), whose sum is σ = 35255738. Its totient is φ = 10073064.

The previous prime is 20146111. The next prime is 20146153. The reversal of 20146132 is 23164102.

It is an interprime number because it is at equal distance from previous prime (20146111) and next prime (20146153).

It can be written as a sum of positive squares in only one way, i.e., 20034576 + 111556 = 4476^2 + 334^2 .

It is a super-2 number, since 2×20146132² = 811733269122848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518263 + ... + 2518270.

Almost surely, 2^20146132 is an apocalyptic number.

It is an amenable number.

20146132 is a deficient number, since it is larger than the sum of its proper divisors (15109606).

20146132 is a wasteful number, since it uses less digits than its factorization.

20146132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036537 (or 5036535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20146132 is about 4488.4442739105. Note that the first 3 decimals coincide. The cubic root of 20146132 is about 272.1012634780.

The spelling of 20146132 in words is "twenty million, one hundred forty-six thousand, one hundred thirty-two".