20514219 has 24 divisors (see below), whose sum is σ = 31051776. Its totient is φ = 12025200.

The previous prime is 20514191. The next prime is 20514251. The reversal of 20514219 is 91241502.

It is not a de Polignac number, because 20514219 - 2⁵ = 20514187 is a prime.

It is a super-2 number, since 2×20514219² = 841666362359922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20514259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10342 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (1293824).

Almost surely, 2^20514219 is an apocalyptic number.

20514219 is a deficient number, since it is larger than the sum of its proper divisors (10537557).

20514219 is a wasteful number, since it uses less digits than its factorization.

20514219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 20514219 is about 4529.2625227514. The cubic root of 20514219 is about 273.7484460202.

The spelling of 20514219 in words is "twenty million, five hundred fourteen thousand, two hundred nineteen".