20142213 has 32 divisors (see below), whose sum is σ = 33465600. Its totient is φ = 10492416.

The previous prime is 20142209. The next prime is 20142247. The reversal of 20142213 is 31224102.

It is not a de Polignac number, because 20142213 - 2² = 20142209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20142192 and 20142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142253) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 23883 + ... + 24711.

It is an arithmetic number, because the mean of its divisors is an integer number (1045800).

Almost surely, 2^20142213 is an apocalyptic number.

It is an amenable number.

20142213 is a deficient number, since it is larger than the sum of its proper divisors (13323387).

20142213 is a wasteful number, since it uses less digits than its factorization.

20142213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20142213 is about 4488.0076871592. The cubic root of 20142213 is about 272.0836185026.

Adding to 20142213 its reverse (31224102), we get a palindrome (51366315).

The spelling of 20142213 in words is "twenty million, one hundred forty-two thousand, two hundred thirteen".