20214959 has 2 divisors, whose sum is σ = 20214960. Its totient is φ = 20214958.

The previous prime is 20214947. The next prime is 20214977. The reversal of 20214959 is 95941202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20214959 - 2²⁴ = 3437743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107479 + 10107480.

It is an arithmetic number, because the mean of its divisors is an integer number (10107480).

Almost surely, 2^20214959 is an apocalyptic number.

20214959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214959 is an equidigital number, since it uses as much as digits as its factorization.

20214959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 20214959 is about 4496.1048697734. The cubic root of 20214959 is about 272.4107790842.

The spelling of 20214959 in words is "twenty million, two hundred fourteen thousand, nine hundred fifty-nine".