20314529 has 8 divisors (see below), whose sum is σ = 21413160. Its totient is φ = 19242496.

The previous prime is 20314523. The next prime is 20314537. The reversal of 20314529 is 92541302.

It can be written as a sum of positive squares in 4 ways, for example, as 4194304 + 16120225 = 2048^2 + 4015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20314529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20314498 and 20314507.

It is not an unprimeable number, because it can be changed into a prime (20314523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (2676645).

Almost surely, 2^20314529 is an apocalyptic number.

20314529 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20314529 is a deficient number, since it is larger than the sum of its proper divisors (1098631).

20314529 is a wasteful number, since it uses less digits than its factorization.

20314529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20314529 is about 4507.1641860487. The cubic root of 20314529 is about 272.8573053291.

The spelling of 20314529 in words is "twenty million, three hundred fourteen thousand, five hundred twenty-nine".