20914051 has 2 divisors, whose sum is σ = 20914052. Its totient is φ = 20914050.

The previous prime is 20914043. The next prime is 20914081. The reversal of 20914051 is 15041902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20914051 - 2³ = 20914043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20914001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10457025 + 10457026.

It is an arithmetic number, because the mean of its divisors is an integer number (10457026).

Almost surely, 2^20914051 is an apocalyptic number.

20914051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20914051 is an equidigital number, since it uses as much as digits as its factorization.

20914051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 20914051 is about 4573.1882751533. The cubic root of 20914051 is about 275.5155112627.

Adding to 20914051 its reverse (15041902), we get a palindrome (35955953).

The spelling of 20914051 in words is "twenty million, nine hundred fourteen thousand, fifty-one".