20514329 has 4 divisors (see below), whose sum is σ = 22379280. Its totient is φ = 18649380.

The previous prime is 20514323. The next prime is 20514331. The reversal of 20514329 is 92341502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20514329 - 2¹² = 20510233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20514298 and 20514307.

It is not an unprimeable number, because it can be changed into a prime (20514323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932459 + ... + 932480.

It is an arithmetic number, because the mean of its divisors is an integer number (5594820).

Almost surely, 2^20514329 is an apocalyptic number.

It is an amenable number.

20514329 is a deficient number, since it is larger than the sum of its proper divisors (1864951).

20514329 is a wasteful number, since it uses less digits than its factorization.

20514329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864950.

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

The square root of 20514329 is about 4529.2746659923. The cubic root of 20514329 is about 273.7489353114.

The spelling of 20514329 in words is "twenty million, five hundred fourteen thousand, three hundred twenty-nine".