20514132 has 36 divisors (see below), whose sum is σ = 53260116. Its totient is φ = 6652800.

The previous prime is 20514103. The next prime is 20514149. The reversal of 20514132 is 23141502.

20514132 is a `hidden beast` number, since 20 + 514 + 132 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 853776 = 4434^2 + 924^2 .

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

It is a super-2 number, since 2×20514132² = 841659223426848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6369 + ... + 9032.

Almost surely, 2^20514132 is an apocalyptic number.

It is an amenable number.

20514132 is an abundant number, since it is smaller than the sum of its proper divisors (32745984).

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

20514132 is a wasteful number, since it uses less digits than its factorization.

20514132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448 (or 15443 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20514132 is about 4529.2529185286. The cubic root of 20514132 is about 273.7480590342.

Adding to 20514132 its reverse (23141502), we get a palindrome (43655634).

The spelling of 20514132 in words is "twenty million, five hundred fourteen thousand, one hundred thirty-two".