20514532 has 6 divisors (see below), whose sum is σ = 35900438. Its totient is φ = 10257264.

The previous prime is 20514523. The next prime is 20514541. The reversal of 20514532 is 23541502.

It is an interprime number because it is at equal distance from previous prime (20514523) and next prime (20514541).

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 4562496 = 3994^2 + 2136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564313 + ... + 2564320.

Almost surely, 2^20514532 is an apocalyptic number.

It is an amenable number.

20514532 is a deficient number, since it is larger than the sum of its proper divisors (15385906).

20514532 is a wasteful number, since it uses less digits than its factorization.

20514532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128637 (or 5128635 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20514532 is about 4529.2970757061. The cubic root of 20514532 is about 273.7498382713.

The spelling of 20514532 in words is "twenty million, five hundred fourteen thousand, five hundred thirty-two".