20214541 has 2 divisors, whose sum is σ = 20214542. Its totient is φ = 20214540.

The previous prime is 20214529. The next prime is 20214553. The reversal of 20214541 is 14541202.

It is a balanced prime because it is at equal distance from previous prime (20214529) and next prime (20214553).

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 7001316 = 3635^2 + 2646^2 .

It is a cyclic number.

It is not a de Polignac number, because 20214541 - 2⁷ = 20214413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20215541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107270 + 10107271.

It is an arithmetic number, because the mean of its divisors is an integer number (10107271).

Almost surely, 2^20214541 is an apocalyptic number.

It is an amenable number.

20214541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214541 is an equidigital number, since it uses as much as digits as its factorization.

20214541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20214541 is about 4496.0583848522. The cubic root of 20214541 is about 272.4089014566.

Adding to 20214541 its reverse (14541202), we get a palindrome (34755743).

The spelling of 20214541 in words is "twenty million, two hundred fourteen thousand, five hundred forty-one".