20214513 has 24 divisors (see below), whose sum is σ = 33729696. Its totient is φ = 11529600.

The previous prime is 20214497. The next prime is 20214527. The reversal of 20214513 is 31541202.

It is not a de Polignac number, because 20214513 - 2⁴ = 20214497 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20214553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4323 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (1405404).

Almost surely, 2^20214513 is an apocalyptic number.

It is an amenable number.

20214513 is a deficient number, since it is larger than the sum of its proper divisors (13515183).

20214513 is a wasteful number, since it uses less digits than its factorization.

20214513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045 (or 12042 counting only the distinct ones).

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

The square root of 20214513 is about 4496.0552710126. The cubic root of 20214513 is about 272.4087756816.

Adding to 20214513 its reverse (31541202), we get a palindrome (51755715).

The spelling of 20214513 in words is "twenty million, two hundred fourteen thousand, five hundred thirteen".